000 00365nam a2200145Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
020 _a81-219-2443-x
041 _aen
082 _a363.7
100 _aMEENABAL.T
245 0 _aPrinciples of envoimental science engineering
260 _aNew delhi
_bSon & company ltd.
_c2005
300 _aviii,126p
942 _cPR
999 _c61389
_d61389