TY  - BOOK
TI  - Year-book of science and techonology. 1972
U1  - E-503 
PY  - 1973///
CY  - Berkley,P.A,New York,Tokyo etc
PB  - McGraw Hill Pub. 
KW  -  
KW  - Yearbook
KW  - Technology
KW  - Science
KW  - India
ER  -