000 00421nam a2200157Ia 4500
008 241227s9999 xx 000 0 und d
020 _a9788131805161
082 _a628.3
_bPUN
100 _aPunmia, B C
245 0 _aEnvironmental engineering2 wastewater engineering
260 _aDelhi :
_bLaxmi Pub,
_c1994
300 _a660.
365 _a425
650 _aSanitary municipal engineering
700 _aJain, Ashok.
999 _c147948
_d147948