TY  - BOOK
AU  - Rijsbergin, C.J. Van.
TI  - Information Retrieval / 
SN  - 0-408-70929-4
U1  - 0.150694444444444 
PY  - 1998///
CY  - London : 
PB  - Butterworth & Co. (Publishers) Ltd. , 
KW  - Library Science
ER  -