Multiple Presentations of WWW Documents Using Style Sheets. - Philip M. Marden Jr.; Ethan V. Munson (Workshop on New Paradigms in Information Visualization and Manipulation, 1997)

PSL: An Alternate Approach to Style Sheets for the Web. - Philip M. Marden Jr.; Ethan V. Munson (WebNet, 1998)

PSL: An Alternate Approach to Style Sheet Languages for the World Wide Web. - Philip M. Marden Jr.; Ethan V. Munson (J. Univers. Comput. Sci., 1998)

Today's Style Sheet Standards: The Gread Vision Blinded. - Philip M. Marden Jr.; Ethan V. Munson (Computer, 1999)