TY  - BOOK
AU  - Dutta, Arup Kumar
AU  - 
TI  - Nature quiz
SN  - 81-220-0237-4
U1  - 501(079.1) 
PY  - 1991///
CY  - Delhi
PB  - Konark Publishers
KW  - Nature - Question and answers
KW  - Nature -  General Knowledge
KW  - General Knowledge - Nature
ER  -