00233-9. Dictionary of Human Evolution and Biology. Human-biology.key-spot.ru. [3 November 2017]. (原始内容存档于7 November 2017). A Glucksman, Sexual Dimorphism
[2009-07-24]. (原始内容存档于2016-08-04). Jupiter pummeled, leaving bruise the size of the Pacific Ocean (页面存档备份,存于互联网档案馆). University of California, Berkeley