Scourfield,, D. J. A key to the British freshwater cladocera / D. J. Scourfield, J. P. Harding

A key to the British freshwater cladocera / D. J. Scourfield, J. P. Harding . - [S.l.] : Freshwater Biological Association, 1966 . - 55 p. : il. 22 cm . - (Scientific publication; 5)
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