TY  - BOOK
AU  - 
AU  - Hedtstuck, U., ed
AU  - Rolinger, C R., ed
ED  - Blasius, K.H., ed
TI  - Sorts and types in artificial intelligence
T2  - Lecture notes in artificial intelligence (LNAI)
SN  - 3540523375
U1  - 006.3 
PY  - 1990///
CY  - Berlin
PB  - Springer-Verlag
ER  -