Cameron, R. A. D. (Robert Andrew Duncan)
Keys for the identification of land snails in the British Isles / by Robert Cameron ; illustrated by Gordon Riley. -- 2nd ed. -- Telford : FSC Publications, 2008. -- iii, 84 s. : il. (některé barev.). -- (Aids to identification in difficult groups of animals and plants) (Occasional Publication ; 79). -- ISBN : 978-1-85153-890-4 (brož.).
Riley, Gordon, 1939-
plži. kategorizace a klasifikace. systematická zoologie. Britské ostrovy. určovací klíče
592/599.06. 001.1-028.67. 594.3. (292.421/.422). (410). (084)