000
00292nam a2200109Ia 4500
008
200302s9999 xx 000 0 und d
100
_a
P. K. Goel
245
_a
Water Pollution Causes, Effects and Control 2nd ed
260
_b
New Age International (P) Ltd.
260
_c
2008
300
_a
418 P.,
999
_c
2567
_d
2567