Duellman, W. E. & Campbell, J. A. Hylid Frogs of the Genus Plectrohyla: Systematics and Phylogenetic Relationships. Misc. Publications No. 181. Pub. Uni. Michigan, Mus. of Zoo. 1992
pp.vi, 32 with b/w. illus. A very good copy in card covers.
£1.00 [Ref: 19769]