LEADER 00000nam 2200229 a 4500 001 0129880 003 UkHlHU 007 t 008 001410 0 1961 000 eng 040 UkHlHU 050 4 QH 96 P8 100 0 Popham, Edward James. 245 00 Some aspects of life in fresh water. 250 2nd ed. 260 London :|bHeinemann,|c1961. 300 127p. 650 0 Biogeography. 650 0 Freshwater biology. 650 0 Limnology|xNatural history. 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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