Websites
http://bama.ua.edu/archives/semnet.html
http://www.odum.unc.edu/bollen/home.htm
http://www2.gsu.edu/~mkteer/semnet.html
http://faculty.chass.ncsu.edu/garson/PA765/structur.htm
http://davidakenny.net/cm/causalm.htm
http://www.informaworld.com/smpp/title~content=t775653699
http://www2.gsu.edu/~mkteer/index.html
http://people.bu.edu/tabrown/index.html
http://www.gseis.ucla.edu/faculty/muthen/index.htm
