Multimedia: From Wagner to Virtual Reality, edited by Randall Packer and Ken Jordan. New York: Norton, 2001.

Carrie Heeter Multimedia: From Wagner to Virtual Reality, edited by Randall Packer and Ken Jordan. New York: Norton, 2001. 2004 20 Inf. Soc. 1 db/journals/tis/tis20.html#Heeter04