Mellanby,, Helen Animal life in fresh water : a guide to fresh-water invertebrates / Helen Mellanby ; pref. L. E. S. Eastham

Animal life in fresh water : a guide to fresh-water invertebrates / Helen Mellanby ; pref. L. E. S. Eastham . - London : Chapman and Hall, imp. 1975 . - XII, 308 p. : il. 19 cm
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