000 00286nam a22001337a 4500
999 _c348
_d348
020 _a9788120333291
082 _a333.7
100 _abala Krishnamoorthy
245 _aEnvironmental Management
250 _a2nd
260 _aNew Delhi
_bPHI Learning
_c2009
300 _a267
942 _cBK