000			00346nam a22001457a 4500
999			_c340982 _d340982
003			OSt
008			200317b ||||| |||| 00| 0 eng d
020			_a9788187198352
082			_a628:504 _bPAU
100			_aPaul, Jai M
245			_aTextbook on wastewater engineering.
260			_aErnakulam _bEPD _c2020
300			_a181p.
942			_2ddc _cBK