@inproceedings{BeierleMeyerSemle91PDK,
   AUTHOR = "C. Beierle and G. Meyer and H. Semle",
    TITLE = "A brief description of the {PROTOS-L} system",
    BOOKTITLEmitlnai = "Processing Declarative Knowledge - PDK'91\lnai{567}",
    BOOKTITLE = "Processing Declarative Knowledge - PDK'91",
    BEMERKUNG = "lncs + vol. jetzt per macro im Titel",
    EDITOR = "H. Boley and M. M. Richter",
    PUBLISHER = "Springer-Verlag",
    ADDRESS = springerort,
    PAGEStent = "36--64",
    SERIES = "Lecture Notes in Artificial Intelligence",
    VOLUME = 567,
    YEAR = 1991  }