000 00375nam a2200157Ia 4500
008 230118s9999||||xx |||||||||||||| ||und||
020 _a978-81-203-40129-6
082 _a370.1
082 _bWRI/E
100 _aricahrd.t
_bwright
100 _bdorothyf.boorse
245 0 _aenvironmental science
260 _aNEW DELHI
260 _bphi learning pvt.ltd
260 _c2012
999 _c4217
_d4217