http://www.atistar.net/ 0.9 2007-10-15 http://www.atistar.net/systems.html 0.5 2007-10-15 http://www.atistar.net/services.html 0.8 2007-11-13 http://www.atistar.net/security.html 0.8 2007-10-14 http://www.atistar.net/~stepp/academic/ 0.8 2021-06-30 http://www.atistar.net/~stepp/academic/stepp-cv.pdf 0.8 2021-06-30