TY  - BOOK
AU  - Guha B
TI  - Documentation and information:Services, techniques and systems
U1  - 2:97, M3 
PY  - 1983///
CY  - Calcutta
PB  - The World Press Pvt. Ltd.     
KW  - Documentation and information
N1  - Includes bibliographical references; Index 377-380p
ER  -