TY  - BOOK
AU  - Sengupta,Benoyendra
AU  - Chatterjee,Mridula
TI  - Documentation and information retrieval
U1  - 010 
PY  - 1977///
CY  - Calcutta
PB  - The world press
KW  - Information storage and retrieval systems
KW  - Documentation
N1  - Includes index; Bibliography : p. 186.189
ER  -