L<perlmod>, L<perlmodlib>, L<perlmodinstall>, L<h2xs>, L<strict>,
L<Carp>, L<Exporter>, L<perlpod>, L<Test>, L<ExtUtils::MakeMaker>,
-http://www.cpan.org/, Ken Williams' tutorial on building your own
-module at http://www.swarthmore.edu/~ken/perl_modules.html
+http://www.cpan.org/ , Ken Williams' tutorial on building your own
+module at http://mathforum.org/~ken/perl_modules.html