@article{Beierle88IT,
    AUTHOR = "C. Beierle",
    TITLE = "Semantische {A}spekte des algebraischen {P}rogrammierens
             ({S}emantical Aspects of Algebraic Programming)",
    JOURNAL = "IT - Informationstechnik, Special Issue on Non-Procedural
               Programming",
    PUBLISHER = "Oldenbourg Verlag",
    YEAR = 1988,
    VOLUME = 30,
    NUMBER = 6,
    PAGESnn = "20--36",
    MONTH = "December"       }