TY  - BOOK
AU  - Saxena,R.S  .
TI  - Information retrieval techniques and reference source & tools in pure and applied science / 
SN  - 8185070083
U1  - 025.006 
PY  - 1987///
CY  - Agra : 
PB  - Y.K.Publishers , 
KW  - INFORMATION RETRIEVAL SYSTEM
N1  - Includex bibliographical references and index
ER  -