000
00287nam a2200097Ia 4500
008
221129s2010 xx 000 0 und d
041
_a
eng
100
_a
Mehta, M.
_9
1222045
245
_a
Understanding Environmental Science
260
_a
N. Delhi
_b
Discovery Publishing House Pvt. Ltd.,
_c
2010
999
_c
792359
_d
792359