%0 Conference Paper %B Proceedings of the SIGCHI conference on Human factors in computing systems: Wings for the mind %D 1989 %T Human-computer interaction lab, University of Maryland %A Shneiderman, Ben %B Proceedings of the SIGCHI conference on Human factors in computing systems: Wings for the mind %S CHI '89 %I ACM %C New York, NY, USA %P 309 - 310 %8 1989/// %@ 0-89791-301-9 %G eng %U http://doi.acm.org/10.1145/67449.67509 %R 10.1145/67449.67509