TY  - BOOK
AU  - Wellisch H H ed
ED  - International PRECIS Workshop (Maryland : 1976)
TI  - PRECIS index system: principles, applications and prospects: proceedings
U1  - 29.5 
PY  - 1977///
CY  - New York
PB  - H W Wilson
KW  - Indexing
KW  - PRECIS index system
KW  - Proceedings
ER  -