Title
A description of the German River-frog (Rana esculenta, var. ridibunda, Pallas)
By
Boulenger, George Albert 1858-1937
Original Publication
Proceedings of the Zoological Society of London
Published by
London Academic Press, [etc.] 1833-1965
Identifiers
BioStor:
https://biostor.org/reference/51821