Allocating Federal Funds for Science and Technology, by Committee on Criteria for Federal Support of Research and Development, National Academy of Sciences, National Academy of Engineering, Institute of Medicine, National Research Council, National Academy Press, Washington DC, 1995, page 75.
Hiltzik, Michael A. (November 19, 2000.) "Through the Gender Labyrinth."互联网档案馆的存檔,存档日期October 15, 2012,.. Los Angeles Times, Los Angeles Times Magazine, page 1. (Free reprint. Retrieved on September 19, 2007.)
Hiltzik, Michael A. (November 19, 2000.) "Through the Gender Labyrinth."互联网档案馆的存檔,存档日期October 15, 2012,.. Los Angeles Times, Los Angeles Times Magazine, page 1. (Free reprint. Retrieved on September 19, 2007.)
Hiltzik, Michael A. (November 19, 2000.) "Through the Gender Labyrinth."互联网档案馆的存檔,存档日期October 15, 2012,.. Los Angeles Times, Los Angeles Times Magazine, page 1. (Free reprint. Retrieved on September 19, 2007.)