LEADER 00000nam 2200229 a 4500 001 0128272 003 UkHlHU 007 t 008 001310 0 1973 000 eng 040 UkHlHU 050 4 QH 90.57 B5 100 0 Glass, Gary E. 245 00 Bioassay techniques and environmental chemistry /|cG.E. Glass, editor. 260 Ann Arbor, Mich. :|bAnn Arbor Science Publishers,|c1973. 300 499p. 650 0 Biological assay|xWater|xAquatic biology. 650 0 Biogeography. 650 0 Water supply|xPurification. 946 020 absent -- ISBN check required 946 650 |a & |x subfields only. In at least one case all subfields comprise single words only -- Check for Geac subject headings 946 650 has non-LCSH elements -- Check for Geac subject headings
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