000 00278nam a22001217a 4500
020 _a9789351340263
082 _a621
100 _aPERVY HOWARD S.
_aROWE DONALD R.
245 _aENVIRONMENTAL ENGINEERING
260 _aNEW DELHI
_bTMH
_c1985
300 _aXVI, 699 P
942 _cBK
999 _c7855
_d7855