Penguin Biology. L. S. Davis and J. T. Darby 1990. San Diego, Academic Press. 467 p, illustrated, hard cover. ISBN 0-12-206335-X.

• Published in: Polar Record
• Format: Article in Journal/Newspaper
• Language: English
• Published: Cambridge University Press (CUP) 1991
• Subjects: General Earth and Planetary Sciences; Ecology; Geography, Planning and Development; Darby; Polar Record
• Online Access: http://dx.doi.org/10.1017/s0032247400012468; https://www.cambridge.org/core/services/aop-cambridge-core/content/view/S0032247400012468