db/conf/ht/BeckmanBJSSTW91.html Brian Beckman Bonnie Boyd Joseph Jupin Sheldon Shen W. Van Snyder Robert Tausworthe L. Van Warren Encyclopedia of Software Components. 425-426 HT1991/P425.pdf 1991 conf/ht/91 Hypertext db/conf/ht/ht91.html#BeckmanBJSSTW91