000 00622 a2200193 4500
008 110605s9999 xx 000 0 eng d
240 1 0 _a28/B-60
020 _c1000
084 _a28
_bB-60
245 1 0 _aBiological methods for the assessment of water quality
260 _aАмерик
_bAmerican Society for testing and materials
_c1976
300 _a256
653 _abiology
653 _awater quality management
653 _abiological methodology
653 _amobile bioassay laboratories
653 _astabilization oxigen demand
653 _asymposium on biological methods for the assessments of water quality
999 _c540
_d540