000 00384nam a2200133Ia 4500
005 20240911061912.0
008 211102s9999 xx 000 0 und d
020 _a8120319303
082 _a628
_bRAO
100 _aRao, P. Venugopala.
245 0 _aTextbook of environmental engineering /
_cRao, P. Venugopala.
260 _aNew Delhi
_bPrentice-Hall inc.
_c2003
650 _aEnvironmental
999 _c20783
_d20783