Donald A. Cox, Jasdeep S. Chugh, Carl Gutwin, Saul Greenberg. The usability of transparent overview layers. In Clare-Marie Karat, Arnold M. Lund, editors, CHI 98 Conference Summary on Human Factors in Computing Systems, CHI '98, Los Angeles, California, USA. pages 301-302, ACM, 1998. [doi]
Abstract is missing.