المؤلفون: Fernández-Solari, Javier, Scorticati, Camila, Mohn, Claudia, De Laurentiis, Andrea, Billi, Silvia, Franchi, Ana, McCann, Samuel M., Rettori, Valeria

المصدر: Proceedings of the National Academy of Sciences of the United States of America, 2004 Mar 01. 101(9), 3264-3268.

الوصول الحر: https://www.jstor.org/stable/3371190Test

المؤلفون: Schmitt, Henri, Guyaux, Michel, Pochet, Roland, Kram, Raphael

المصدر: Proceedings of the National Academy of Sciences of the United States of America, 1980 Jul 01. 77(7), 4065-4068.

الوصول الحر: https://www.jstor.org/stable/9036Test