000
00275nam a22000977a 4500
999
_c
331468
_d
331468
020
_a
8170245249
082
_a
GE140
_b
eco
245
_a
Protect global earth series
_b
Ecology and the environment
_c
A.K.Tripathi
260
_a
NEW DELHI
_b
ASHISH PUBLISHING HOUSE
_c
1993
942
_c
BK