TY  - BOOK
AU  - Kochen,Manfred
TI  - Principles of information retrieval
SN  - 0471496979
PY  - 1974///
CY  - Los Angeles
PB  - Melville Publishing
KW  - Information storage and retrieval systems
N1  - 'A Wiley-Becker & Hayes series book.'; p. 177-195
ER  -