BIBCYT http://bibcyt.ucla.edu.ve/cgi-win/be_alex.exe?Ultimo&Nombrebd=BIBCYT UCLA - Biblioteca de Ciencias y Tecnologia Felix Morales Bueno Strickland, Dorothy dorothy.strickland@stetson.edu P Principal Hodges, Larry hodges@cc.gatech.edu P Principal North, Max max@acm.org P Principal Weghorst, Suzanne weghorst@u.washington.edu P Principal Overcoming Phobias by Virtue Exposure. Vol: 40 pp..34-39.; 28cm.; il.