Autor:	Wilson, James M., Jefferson, Douglas M., Chowdhury, Jayanta Roy, Novikoff, Phyllis M., Johnston, David E., Mulligan, Richard C.
Zdroj:	Proceedings of the National Academy of Sciences of the United States of America, 1988 May 01. 85(9), 3014-3018.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/31934 Zobrazit plný text záznamu