Index to paper

http://www-personal.umd.umich.edu/~dstasik/Existent/intro2.htm

http://www-personal.umd.umich.edu/%7Edstasik/Existent/Paper/Analy2.htm

http://www-personal.umd.umich.edu/%7Edstasik/Existent/Paper/Critical.htm

 Thought