@String( adw = "Addison-Wesley" )
@String( cmp = "Comm. Math. Phys." )
@String( ct = "c{'}t magazin f{\"u}r computer technik" )
@String( epl = "Europhys. Lett." )
@String( jmp = "J. Math. Phys." )
@String( jpa = "J. Phys. A" )
@String( jpc = "J. Phys. C" )
@String( jpfr = "J. Phys. (Paris)" )
@String( jap = "J. Appl. Phys." )
@String( jpcm = "J. Phys. Condens. Matter" )
@String( jpsj = "J. Phys. Soc. Japan" )
@String( jsp = "J. Stat. Phys." )
@String( lmp = "Lett. Math. Phys." )
@String( lnc = "Lett. Nuovo Cimento" )
@String( npb = "Nucl. Phys. B" )
@String( pl = "Phys. Lett." )
@String( pla = "Phys. Lett. A" )
@String( plb = "Phys. Lett. B" )
@String( pr = "Phys. Rev." )
@String( pra = "Phys. Rev. A" )
@String( prb = "Phys. Rev. B" )
@String( prd = "Phys. Rev. D" )
@String( prl = "Phys. Rev. Lett." )
@String( epj = "Eur. Phys. J. B" )
@String( zpb = "Z. Phys. B" )
@String( zp = "Z. Phys. " )
@String( rmp = "Rev. o. Mod. Phys." )
@String( jpsj = "J. Phys. Soc. Jpn." )
@String( ansci= "Annu. Rev. Mater. Sci. ")
@String( sscom= "Solid State Comm.")
@String( prog=  "Prog. Theor. Phys.") 
@String( cond = "Preprint : cond-mat /" )
@String( tbp = "to be published ..." )
@String( phd = "Dissertation" )



@article{azaria:1998,
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journal = prl,
year = {1998},
volume = {81},
number = {},
pages = {1694},
}

@article{nigge97a,
author = "H. Niggemann and  G. Uimin and J. Zittartz",
title  =  "",
journal = jpcm,
year = 1997,
volume = {9},
pages = {9031},
}

@article{nigge97b,
author = "H. Niggemann and G. Uimin and J. Zittartz",
title = "",
journal = tbp,
year = {1997},
}


@article{takano:1996,
author = "K. Takano and K. Kubo and  H. Sakamoto",
title = "Ground states with cluster structures in a frustrated Heisenberg chain",
journal = jpcm,
volume = {8},
year = {1996},
pages = {6405},
}

@article{ku93,
author = "K. Kubo",
title = "",
journal = prb,
volume = {48},
year = {1993},
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pages = {10552},
}

@article{nak96,
author = "T. Nakamura and K. Kubo",
title = "",
journal = prb,
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number = {},
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}


@article{wh93,
author = "S. R. White",
title = "",
journal = prb,
volume = {48},
year = {1993},
number = {},
pages = {10345},
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@article{wh92,
author = "S. R. White",
title = "",
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volume = {69},
year = {1992},
number = {},
pages = {2863},
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@article{wn92,
author = "S. R. White and R. M. Noack",
title = "",
journal = prl,
volume = {68},
year = {1992},
number = {},
pages = {3487},
}

@article{wi75,
author = "K. G. Wilson",
title = "",
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volume = {47},
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number = {},
pages = {773},
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@article{oest98,
author = {M. Andersson and M. Boman and S. "Ostlund},
title = "",
journal = cond,
volume = {9810093},
year = {1998},
number = {},
pages = {},
}


@article{ef99,
author = {F. H. L. E{\ss}ler and H. Frahm},
title = "",
journal = cond,
volume = {9903008},
year = {1999},
number = {},
pages = {},
}


@article{oest95,
author = {S. "Ostlund and S. Rommer},
title = "",
journal = prl,
volume = {75},
year = {1995},
number = {},
pages = {3537},
}


@article{scholl95,
author = {U. Schollw{\"o}ck and T. Jolic{\oe}ur},
title = "",
journal = epl,
volume = {30},
year = {1995},
number = {},
pages = {493},
}


@article{aff93,
author = "E. S. S{\o}rensen and I. Affleck",
title = "",
journal = prl,
volume = {71},
year = {1993},
number = {},
pages = {1633},
}


@article{affleck:1989,
author ="I. Affleck and D. Gepner and H. J. Schulz and T. Ziman",
title = {Critical behaviour of spin-s Heisenberg antiferromagnetic chains: analytic and numerical results},
journal = jpa,
year = 	 {1989},
volume = {22},
number = {},
pages =  {511},
}


@article{bloe86,
author = "H. W. Bl{\"o}te and J. L. Cardy and M. P. Nightingale",
title = "",
journal = prl,
volume = {56},
year = {1986},
number = {},
pages = {742},
}


@article{cardy:1986,
author = "J. L. Cardy",
title = "Logarithmic corrections to finite-size scaling in strips",
journal = jpa,
volume = {19},
year = {1986},
number = {},
pages = {L1093},
}


@article{eggaff92,
author = "S. Eggert  and I. Affleck",
title = "",
journal = prb,
volume = {46},
year = {1992},
number = {},
pages = {10866},
}


@article{ng96,
author = " T.-K. Ng and S. Qin and Z.-B. Su",
title = "",
journal = prb,
volume = {54},
year = {1996},
number = {},
pages = {9854},
}


@article{we87,
author = "F. Woynarovich and H.-P. Eckle",
title = "",
journal = jpa,
volume = {20},
year = {1987},
number = {},
pages = {L443},
}


@misc{privf,
author = "G. Bed{\"u}rftig and H. Frahm",
year = {1999},
howpublished = "private Mitteilung",
}


@misc{privfe,
author = "G. Bed{\"u}rftig and H. Frahm",
year = {},
howpublished = "priv. communication",
}


@article{scholl96,
author = "A. Kolezhuk and  R. Roth and U. Schollw{\"o}ck",
title = "",
journal = prl,
volume = {77},
year = {1996},
number = {},
pages = {5142},
}


@phdthesis{schollthe,
author="Ulrich Schollw{\"o}ck",
title="Le groupe der renormalisation num\'{e}rique dans l'espace
r\'{e}el: application aux cha{\^{\i}}nes de spin quantique.",
type = "Th\`{e}se de {Doctorat},",
school= {Universit\'{e} de Paris-Sud, U.F.R Scientifique d'Orsay.},
year = {1995},
}

@phdthesis{bre98,
author="Sven Brehmer",
title="",
type = phd,
school= {Universit{\"a}t Hannover},
year = {1998},
}


@phdthesis{waldtmann:1999,
author="C. Waldtmann",
title="Numerische Untersuchungen des Heisenberg-Antiferromagneten auf dem Kagom\'{e}-Gitter und einer Kagom\'{e}-{\"a}hnlichen Leiter",
type = phd,
school= {Universit{\"a}t Hannover},
year = {1999},
}


@article{ybm97,
author = "S. Yamamoto and S. Brehmer and H.-J. Mikeska",
title = "",
journal = prb,
volume = {58},
year = {1997},
number = {},
pages = {13610},
}


@phdthesis{bre98g,
author="Sven Brehmer",
title="Niederenergetische Anregungen in eindimensionalen Quanten-Antiferromagneten",
type = {Doktorarbeit,},
school= {Universit{\"a}t Hannover},
year = {1998},
}

@article{nish95,
author = "T. Nishino",
title = "",
journal = jpsj,
volume = {64},
year = {1995},
number = {},
pages = {L3598},
}

@article{bur96,
author = "R.J. Bursill and T. Xiang and G.A. Gehring",
title = "",
journal = jpcm,
volume = {8},
year = {1996},
number = {},
pages = {L583},
}

@article{xiang97,
author = "X. Wang and T. Xian",
title = "",
journal = prb,
volume = {56},
year = {1997},
number = {},
pages = {5061},
}

@article{ms98,
author = "K. Maisinger and U. Schollw{\"o}ck",
title = "",
journal = prl,
volume = {81},
year = {1998},
number = {},
pages = {445},
}


@misc{gs96,
author = "A. G{\"u}rtler and U. Schollw{\"o}ck",
year = {1996},
howpublished ="unpublished",
}


@article{bet84,
author = "H. Betsuyaku",
title = "",
journal = prl,
volume = {53},
year = {1984},
number = {},
pages = {629},
}

@article{bet85,
author = "H. Betsuyaku",
title = "",
journal = prog,
volume = {73},
year = {1985},
number = {},
pages = {319},
}

@article{dmns98,
author = "J. Dukelsky and M. A. Mart\'{\i}n-Delgardo and T. Nishino and G. Sierra",
title = "",
journal = epl,
volume = {43},
year = {1998},
number = {},
pages = {457},
}

@article{pati:1999,
author = "S. K. Pati and R. P. Singh",
title = "Gapless Singlet modes in the Kagom\'{e} strips: A study through DMRG and strong coupling analysis",
journal = cond,
volume = {9903434},
year = {1999},
number = {},
pages = {},
}

@article{lin:1990,
author = "H. Q. Lin",
title = "Exact diagonalization of quantum-spin models",
journal = prb,
volume = {42},
year = {1990},
number = {10},
pages = {6561},
}

@article{bloch:1929,
author = "F. Bloch",
title = "Bemerkungen zur Elektronentheorie des Ferromagnetismus und der elektrischen Leitf{\"a}higkeit",
journal = zp,
volume = {57},
year = {1929},
pages = {545},
}

@article{dummy,
author = "",
title = "",
journal = "",
volume = {},
year = {},
number = {},
pages = {},
}


@article{bethe:1931,
author = "H.Bethe",
title = "I. Eigenwerte und Eigenfunktionen der linearen Atomkette",
journal = zp,
volume = {71},
year = {1931},
number = {},
pages = {205},
}


@book{binder:1988,
author="K. Binder and D. W. Heermann",
title="Monte Carlo Simulation in Statistical Physics",
year={1988},
publisher="Springer",
}

@book{cullum:1985,
author="J. K. Cullum and R. A. Willoughby",
title="Lanczos Algorithms for Large Symmetric Eigenvalue Computations",
year={1985},
publisher="Birkh{\"a}user",
}


@book{matis:1965,
author="D. C. Mattis",
title="The Theory of Magnetism",
year={1965},
publisher="Harper \& Row",
}


@article{chalker:1992,
author = "J. T. Chalker and P. C. W. Holdsworth  and E. F. Shender",
title = "Titel fehlt, noch nicht reingeschaut",
journal =  prl,
year = {1992},
volume = {68},
pages = {855},
}


@article{chandra:1993,
author = "P. Chandra and P. Coleman and I. Ritchey",
title = "Titel fehlt, noch nicht reingeschaut",
journal =  jpfr,
year = {1993},
volume = {3},
pages = {591},
}


@article{hatano:1994,
author = "N. Hatano",
title = "CFT estimages fo the universal Binder parameter for quantum ground-state transitions in one dimension",
journal =  jpa,
year = {1994},
volume = {27},
pages = {223},
}

@article{binder:1981,
author = "K.Binder",
title = "Finite Size Scaling Analysis of Ising Model Block Distribution Functions",
journal =  zpb,
year = {1981},
volume = {43},
pages = {119},
}

@article{ivanov:1998,
author = "N.B.Ivanov, J.Richter and U.Schollw{\"o}ck",
title = "Frustrated quantum Heisenberg ferrimagnetic chains",
journal = prb,
year = {1998},
volume = {58},
pages = {14456},
}

@misc{ct12:1998,
journal = ct,
year = {1998},
volume = {12},
note = "CD",
}

@article{hinrichs:1997,
author = "Stephanie Hinrichs and G{\"u}nther Beulshausen",
title = "Gutenberg digital",
journal = ct,
volume = {15},
year = {1997},
pages = {274},
}

@book{suse42,
author = "Bauer and others",
title = "S.u.S.E. Linux 4.2",
year = {1996},
publisher = "S.u.S.E. Gesellschaft f{\"u}r Systementwicklung",
url="http://www.suse.de",
note = "S.u.S.E GmbH Gesellschaft f{\"u}r Software- Systementwicklung, \verb+http://www.suse.de+",
}

@book{goossens,
author = "Michael Goossens and Frank Mittelbach and Alexander Samarin",
title = "Der \LaTeX-Begleiter",
publisher = adw,
note = "ISBN 3-89319-646-3",
year = {1994},
}

@misc{gr-dvi,
note = "Dokumentation zum graphics-Paket. Am besten (Unix) im Ver\-zeich\-nis \verb+/usr/lib/teTeX/texmf/doc+ mittels \texttt{make} die Datei \texttt{index.html} erzeugen, die eine Liste aller Dokumentationen ent\-h{\"a}lt. Die Dokumentation kann dann in einem Browser direkt an\-ge\-w{\"a}hlt werden. Ansonsten: Die dvi-Datei befindet sich bei mir in\newline[3] \verb+/usr/lib/teTeX/texmf/doc/latex/graphics/grfguide.dvi+",
}

@misc{TeX2,
author = "Knappen and others",
title = "{\LaTeX{}} 2$\epsilon$-Kurzbeschreibung Version 1.2",
note = "ftp.dante.de",
}

@book{kofler,
author = "Kofler",
title = "Linux",
year = {1996},
publisher = adw,
note = "ISBN 3-8273-1033-4; Hervorragendes Linux-Buch mit \LaTeX , TclTk, Emacs(-Programmierung) uvm.",
}

%\bibitem{Tex}
@misc{Partel,
author = "Partel and others",
title = "\LaTeX-Kurzbeschreibung",
note = "Version 3; \texttt{ftp.dante.de} ",
}

@misc{mik-dir,
url="https://miktex.org/",
note = "MiK\TeX{} unter\\
\verb+https://miktex.org/+",
}

@book{RRZNUnix,
author = "RRZN",
publisher = "RRZN",
title = "UNIX - Eine Einf{\"u}hrung", 
year = {1994},
edition = {Achte {\"u}berarbeitete},
note = "Revision B",
}

@book{sowa,
author = "Friedhelm Sowa",
title = "{\TeX}, {\LaTeX{}} und Graphik",
publisher = "Springer-Verlag",
year = {1994},
note = "ISBN 3-540-56468-3",
}

@misc{WinTex95,
url="http://www.webset.de/software/WinTeX/",
note = "Homepage von WinTeX 95: \verb+http://www.webset.de/software/WinTeX/+",
}

%\bibitem{ctTeXWin}
%Dallheimer, ct ??? "uber Windows und \LaTeX
@article{ctTeXWin,
author = "Dallheimer",
journal = ct,
}

@misc{pstoedit,
url="http://www.geocities.com/SiliconValley/Network/1958/pstoedit/",
note = "Homepage von pstoedit:\newline http://www.geocities.com/SiliconValley/Network/1958/pstoedit/",
}

@misc{texpower,
url="http://lrb.cs.uni-dortmund.de/~lehmke/TeXPower/",
note = "Homepage von texpower:\newline http://www.ctan.org/pkg/texpower",
}

@misc{dinbrief,
url="ftp://ftp.dante.de/tex-archive/help/Catalogue/entries/dinbrief.html",
note= "Unter /usr/share/texmf/source/latex/dinbrief/dinbrief.dvi bzw. von Dante unter ftp://ftp.dante.de/tex-archive/help/Catalogue/entries/dinbrief.html",
}

@misc{l2epsilon,
url="https://www.dante.de",
note= "Hervorragende Kurzanleitung f{\"u} den Einstieg, entweder unter
/usr/share/texmf/source/latex/lkurz/ erh{\"a}ltlich oder {\"u}ber https://www.dante.de",
}

@misc{latexbuch,
url="http://www.helgefjell.de/latexitem.php?name=book",
note="Frei herunterladbar von meiner Homepage: http://www.helgefjell.de/latexitem.php?name=book",
}

@misc{localdocu,
note="Die lokale Dokumentation ist oft unter /usr/lib/teTeX/texmf/doc (SuSE) oder /usr/share/texmf/source/ (Debian) installiert. Für Debian ist hierzu
das Paket tetex-src nötig."
}

@misc{listenum,
note="Die Listenumgebungen (itemize, enumerate) sind vielf{\"a}ltig anpassbar,
auch eigene Listenumgebungen sind definierbar. Die Beschreibung findet sich
z.\, B. in dem Buch von Goossens et al. \cite{goossens}",
}

@misc{custombib,
url="http://www.uni-koblenz.de/~texadmin/texmf/doc/html/latex/contrib/custom-bib/custom-bib.html",
note="Eigene Stildateien k{\"o}nnen mittels des Paketex custom-bib erstellt werden: http://www.uni-koblenz.de/~texadmin/texmf/doc/html/latex/contrib/custom-bib/custom-bib.html",
}

@misc{bibtex2html,
url="http://www.lri.fr/~filliatr/bibtex2html/",
note="z.\,B. mit bibtex2html das unter http://www.lri.fr/~filliatr/bibtex2html/ erh{\"a}ltlich ist. Damit sind auch Links direkt aus der bib-Datei auslesbar.",
}