Autor:	Stoner, Dayton, Orr, Robert T., Hamilton,, W. J., Macy, Ruby M., Burroughs, R. D., Ingles, Lloyd G., Jones,, H. Walter, Terres, J. Kenneth, Fox, Adrian C., Goldman, E. A., Goslin, Robert, Hooper, Emmet T., Cook, David B., Hatfield, Donald M., Sherman, Franklin, Allen, Glover M., Haugen, Arnold O.
Zdroj:	Journal of Mammalogy, 1939 May 01. 20(2), 250-260.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/1374387 Zobrazit plný text záznamu