TY  - BOOK
AU  - Sengupta,Benoyendra, Mridula Chatterjee
AU  - x
TI  - Documentatin and informanton retreieval: x
SN  - x
U1  - 025.52/BED 
PY  - 1977///
CY  - Calcutta
PB  - The World Press
KW  - information storage and retrieval Systems
KW  - Documentation
N1  - x
ER  -