British planarians : Platyhelminthes: Tricladida : keys and notes for the identification of the species / Ian R. Ball, T.B. Reynoldson ; illustrated by Julian Mulock and Maria Tran Thi Vinh-Hao.
საგამომცემლო ცნობები
Cambridge ; London ; New York [et al.] : Published for the Linnean Society of London and The Estuarine and Brackish-water Sciences Association by Cambridge University Press, 1981.