000 00331cam a2200133ua 4500
020 _a81-203-2675-x
082 1 4 _a363.7
_bBAL/E
100 1 _aBala Krishnamoorty .
245 1 0 _aEnvironmental management /
260 _aNew Delhi :
_bPrentice Hall ,
_c2005.
300 _a213p ;
650 0 _aEnvironment management
942 _cBK
999 _c70411
_d70411