TY - CHAP A1 - Unz, Dagmar A1 - Wallach, D. A1 - Henss, R. A1 - Egler, R. A1 - Tack, W.H. ED - Strube, G. ED - Wender, K.F. T1 - Design and Implementation of a Representation System for Human Knowledge T2 - The Cognitive Psychology of Knowledge Y1 - 1993 SP - 351 EP - 366 PB - Elsevier Science ER -