TY  - BOOK
AU  - Sarin,Ashok Kumar
TI  - Science quiz
U1  - 500.76 
PY  - 1990///
CY  - New Delhi
PB  - Current Scientific Literature
KW  - Science
KW  - Question and answers
N1  - This has been presented in questions with answer in two parts under different subject headings
ER  -