000 00379nam a2200157Ia 4500
001 33858
008 240126s9999||||xx |||||||||||||| ||und||
082 _a304.2 VEN
100 _aVenugopala Rao, P.
_922250
245 0 _aTextbook of environmental engineering
260 _aNew Delhi
260 _bPrentice-Hall of India
260 _c2002
300 _axii,268p.
942 _cBK
999 _c33858
_d33858