000			00510cam a22001097a 4500
008			180718b1982 xxu||||| |||| 00| 0 eng d
082			_aO91x54 C333b
245			_aBiological indicators and indices of environmental pollution: proceedings of the workshop held at Osmania University, Hyderabad, India during 21-23 September, 1981 under a who grant _cby A. R. Zafar...[et al]
260			_aNew Delhi _bCentral Board for the prevention and control of water pollution _c1982
300			_a209p.
700			_aZafar, A. R.
999			_c412569 _d412569