000 00297nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a628.21(035)
_bMAN
245 0 _aManual on sewerage and sewage treatment
250 _a2
260 _aNew Delhi
_bMinistry of Urban Development
_c1993
942 _cBK
999 _c41656
_d41656