000 00231nam a22000977a 4500
100 _aKRISHNA,I.V.MURALI;
_aMANICKAM,VALI;
245 _aENVIRONMENTAL MANAGEMENT
260 _aHYDERABAD:
_bBSP
_c2016
300 _axxvi:588p
942 _cBK
999 _c15845
_d15845