TY  - BOOK
AU  - Trivedi, P.R.
AU  - Sharma, Piare Lal.
AU  - Sudarshan, K.N.
TI  - Natural environment and constitution of India
SN  - 8170246407
U1  - 344.046 
PY  - 1994///
CY  - New Delhi
PB  - Ashish
ER  -