000 00424nam a2200157Ia 4500
008 180424s9999 xx 000 0 und d
084 _a574.5 P8
100 _a"Palharya, J P"
245 0 _aEnvironmental Impact of Sewage and Effluent Disposal on the River System
250 _a\\197000ENGGPSX
260 _aMcGraw Hill
260 _b1970
260 _cSydney
500 _aincludes index and biblioraphy
942 _cBK
999 _c55600
_d55600