Mellanby, Helen.

Animal life in fresh water : a guide to fresh-water invertebrates / by Helen Mellanby ; with a foreword by L. E. S. Eastham. - 6th ed., revised and reset. - London : Chapman and Hall, 1975. - xi, 308 p. : ill. ;

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Includes bibliographies and index.

0412213605 : £2.70


Freshwater fauna

QL141 / .M4 1975