共 20 条
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- [3] FRANK S, 1961, VEST CSL ZOOL SPOL, V26, P65
- [4] GRAHAM M, 1928, FISH INVEST-LONDON, V11, P1
- [5] HARTLEY PHT, 1947, P ZOOL SOC LOND, V117, P129
- [6] HARTLEY PHT, 1947, 12 FRESHW BIOL ASS S
- [7] HEALY A, 1956, 1956 DEP LANDS REP S, P3
- [8] Jones J. W., 1949, Fisheries Investigations London Ser 1, V5, P1
- [9] JONES JW, 1953, FISH INVEST-LONDON, V5, P1
- [10] KEMPE OLOF, 1962, REPT INST FRESHWATER RES DROTTNINGHOLM, V44, P42