Author: Potapov, R.L., & Flint, V.E. (editors), 1989.:
Title: Galliformes. Gruiformes. (Handbuch der Vögel der Sowjetunion. Band 4.)
Description: Wittenberg: A. Ziemsen. 8vo, 23.7cm. Pp. 427 printed in double columns, several figs. on 8 col. pls., many drawings and distrib. maps in text, bibl., map on end-papers. Rear part of jacket a little scratched, very good otherwise.

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