A Guideline for propagation of captive trumpeter swans
By: prepared by the Propagation Techniques Committee of the Trumpeter Swan Society ; co-chairmen, Laurence N. Gillette and Timothy M. Dyhr.
Contributors: Gillette, Laurence N.; Dyhr, Timothy M.; Trumpeter Swan Society. Propagation Techniques Committee.
Publisher: The Society
Published: 1977
Place of publication: Maple Plain, Minn
Language: eng
Number of pages: 24
Subjects: Trumpeter swan.; Wild birds, Captive.
Notes: Bibliography: p. 20.