Water animal identification keys
By: by J. Eric Marson.
Edition: 4th ed.
Series: Publications / School Natural Science Society -- no.8; Publications (School Natural Science Society) -- no.8.
Publisher: M.J. Wootton for the School Natural Science Society
Published: 1974
Place of publication: Upminster (44 Claremont Gardens, Upminster, Essex RM14 1DN)
Language: eng
Number of pages: 12
Subjects: Fresh-water fauna -- Great Britain.
Notes: Fourth ed. originally published, 1968.

Bibliography, p.1.