See for example: Spender, Dale, Nattering on the Net: Women, Power and Cyberspace, Spinifex Press, Melbourne, 1995, pp165-171, 176-185; and

<http://www.grc.com/nsf/gss/start.htm> for information on women in the US seeking graduate degrees in science and engineering

<http://www/nsf/srs/gss/93select/txt/s7.txt>

<http://www/nsf/srs/gss/93select/txt/s8.txt> for details of men and women in graduate sciences and engineering (all US institutions by field).