000
00270nam a22000977a 4500
999
_c
331316
_d
331316
020
_a
8174884378
082
_a
363.7063
_b
CHH
245
_a
Encyclopaedia of environmental analysis
_c
Edited by G R Chhatwal.
260
_a
New Delhi:
_b
Anmol Publications,
_c
1997.
942
_c
BK