TY  - BOOK
AU  - Salton,Gerald  .
AU  - McGill,Michael J  .
TI  - Introduction to modern information retrieval / 
U1  - 025.04 
PY  - 1983///
CY  - New York : 
PB  - Mc-Graw Hill , 
KW  - Infroamtion storage and retrieval systems
ER  -