TY  - BOOK
AU  - -
TI  - IAS chemistry from 1947 to date
U1  - 960/90 
PY  - 1947///
CY  - New Delhi
PB  - Careers Institute Regd.
KW  - to
KW  - IAS
KW  - from
KW  - date
KW  - chemistry
KW  - 1947
ER  -