Autor:	Shamel, H. H., Miller, Frederic W., Williams, Samuel H., Jewett, Stanley G., Svihla, Arthur, Svihla, Ruth Dowell, Orr, Leslie W., Gander, Frank F., Nelson, E. W., Goldman, E. A., Hatt, Robert T., Streator, Clark P., Sheldon, Carolyn, Lyon,, Marcus Ward, Howell, A. Brazier, Huey, Laurence M.
Zdroj:	Journal of Mammalogy, 1930 Aug 01. 11(3), 311-325.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/1374153 Zobrazit plný text záznamu