000 00367nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a8170245400
082 _a628.362 P153
100 _aPALHARYA,J.P
245 0 _aENVIRONMENTAL IMPACT OF SEWAGE AND EFFLUENT DISPOSAL ON THE RIVER SYTEM
260 _aNEW DELHI
_bASHISH
_c1993
300 _a23X15
942 _cBK
_2DDC
999 _c23381
_d23381