A key to the British fresh- and brackish-water gastropods with notes on their ecology
By: by T.T. Macan ; illustrated by R. Douglas Cooper.
Edition: 3rd ed.
Series: Scientific publication (Freshwater Biological Association) -- no.13
Publisher: Freshwater Biological Association
Published: 1969
Place of publication: Ambleside
Language: eng
Number of pages: 30
Notes: Previous ed. 1960.