000			00331nam a2200133Ia 4500
008			140317s9999 xx 000 0 und d
082			_a628.1
100			_aJames,A.
245			_aBiological indicators of water quality.
260			_aChichester _bJohn wiley. _c1979
300			_a227
700			_aEvison,Lillian.
942			_2ddc _cBK
999			_c8994 _d8994