A study of a group of penguins of known age.

Bibliographic Details

Main Author:	Richdale, L. E. (Lancelot Eric)
Format:	Book
Language:	English
Published:	Dunedin, N. Z. : Otago Daily Times and Witness Newspapers Co., 1949.
Series:	Biological monographs ; no. 1.
Subjects:	Penguins.