TY  - BOOK
AU  - Parkar,C.C..
AU  - Turley  ,R V.
TI  - Information sources in science and technology / 
U1  - 607 
PY  - 1975///
CY  - New Delhi : 
PB  - New Age International , 
KW  - TECHNOLOGY-INFORMATION SERVICES
N1  - Includes index
ER  -