TY  - BOOK
AU  - Gupta,  B M
AU  - Mathan, S S
TI  - Handbook of libraries, archives and information centres in India. V 7. Science and technology information systems and centres
U1  - 02(035) 
PY  - 1990///
CY  - Delhi
PB  - Aditya Prakashan
ER  -