Autor:	Brodie, Chis, Esty, Amos, Harris, Roger, Ross, Greg, Schmalbeck, Linda, Schneider, David A., Scholberg, Kate
Zdroj:	American Scientist. Mar/Apr2005, Vol. 93 Issue 2, p170-178. 8p. 3 Color Photographs, 3 Black and White Photographs.
Databáze:	Academic Search Ultimate
Externí odkaz:	Zobrazit plný text záznamu