Autor:	Selander, Robert K., Giller, Donald R., Brown, Jerram L., Marshall, David B., Brandt, John H., Crouch, James E., Reuther, Ronald T., Rainey, Dennis G., Van Hoose, S. G., Tramontano, John, Montgomery, Vester, Davis, John, Davis, Betty S., Brock, Elbert M., Lindley, Phyllis, Haderlie, Eugene C., Haderlie, Aileen E.
Zdroj:	The Condor, 1959 Jan 01. 61(1), 52-60.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/1365347 Zobrazit plný text záznamu