@inproceedings{BPU88Saarbruecken,
    AUTHOR = "C. Beierle and U. Pletat and H. Uszkoreit",
    TITLE = "An Algebraic Characterization of {STUF}",
    BOOKTITLE = "Computerlinguistik und ihre theoretischen Grundlagen.
                 Informatik-Fachberichte 195",
    EDITOR = "I. S. Batori and U. Hahn and M. Pinkal and W. Wahlster",
    YEAR = 1988,
    MONTHold = mar,
    PUBLISHER = "Springer-Verlag",
    SERIESold = "Informatik-Fachberichte",
    VOLUMEold = 195,
    NOTE1 = "(to appear; also available as
              LILOG Report No. 40, IBM, Stuttgart, W. Germany)" }