Guidelines for WAP Interface Design
http://infocentre.frontend.com/infocentre/articles/guidelinesforwapinterfacedesign.html

Cahill, Joan
Frontend Infocentre
2000

Abstract:

Research and user testing has highlighted certain key guidelines for WAP interface development. Just as with any other device, content, design and navigation must be developed in a way that meets the needs of typical users. Some of the more significant recommendations, within each of these categories, are listed below