<code>
@Book{kopka1995latex,
 author = {Kopka, Helmut},
 title = {LATEX Bd. 2: Ergänzungen : mit einer Einführung in METAFONT},
 publisher = {Addison-Wesley},
 year = {1995},
 address = {München},
 isbn = {389319665X},
 lang = {de},
 sign = {11/00041},
 gbv = {54.82},
 rvk = {ST 351 T28},
 url = {},
 thumb = {http://reh.math.uni-duesseldorf.de/~stoch/images/kopka2.gif}
}
@Book{kopka1994latex,
 author = {Kopka, Helmut},
 title = {LATEX Bd. 1: Einführung},
 publisher = {Addison-Wesley},
 year = {1994},
 address = {München},
 isbn = {3893196641},
 lang = {de},
 sign = {11/00040},
 gbv = {54.82},
 rvk = {ST 351 T28},
 url = {},
 thumb = {http://reh.math.uni-duesseldorf.de/~stoch/images/kopka1.jpg}
}
@Book{petschke1988textverarbeitung,
 author = {Petschke, Dieter},
 title = {Textverarbeitung mit Personalcomputern},
 publisher = {Verl. Die Wirtschaft},
 year = {1988},
 address = {Berlin, DDR},
 isbn = {3349002439},
 lang = {de},
 sign = {11/00112},
 gbv = {54.82},
 rvk = {},
 url = {},
 thumb = {http://waste.informatik.hu-berlin.de/diplom/robotron/studienarbeit/files/literatur/pics/textverarbeitung.jpg}
}
@Book{weinberg1987installieren,
 author = {Weinberg, Werner},
 title = {Installieren und Patchen von WordStar : 3.0 unter CP/M u. 3.4X unter MS-DOS},
 publisher = {Vogel},
 year = {1987},
 address = {Würzburg},
 isbn = {3802301757},
 lang = {de},
 sign = {FHJ-97/11588},
 gbv = {54.82},
 rvk = {},
 url = {http://www.cpm-buecher.de/buechercpm.html},
 thumb = {http://upload.wikimedia.org/wikipedia/commons/5/5c/WordStar_4_CPM.JPG},
 wishlist = {yes}
}
</code>