TY  - BOOK
AU  - Tripathi, A. K.
TI  - Protect global earth series
T2  - Protect global earth series
SN  - 8170245249 
U1  - 363.7 
PY  - 1993///
CY  - New Dlehi
PB  - Ashish Publishing House 
KW  - Environmental protection -- Moral and ethical aspects
KW  - Environmental protection
N1  - v 1. Air pollution ; v 2. Understanding Environmental disruption ; v 4 .Ecology and the environment
ER  -