1. Black B L, Niedzlek-Feaver M . Assessment of a Handheld Computing Initiative. NC State University: Department of Zoology, 2001.
2. Waycott J . Reading with new tools: An evaluation of personal digital assistants as tools for reading course materials. ALT-J 2002; 10: 38–50.
3. Ishizuka T, Takada K, Horita T et al. Development and Practical Study of a Learning Environment and a Learning Program Using PDAs and Wireless LAN in an Aquarium. Proceedings of ED-MEDIA World Conference on Educational Multimedia, Hypermedia & Telecommunications, 2004. pp 1372–1377.
4. McAlearney A S, Schweikhart S B, Medow A M . Doctors' experience with handheld computers in clinical practice: a qualitative study. Br Med J 2004; 328: 1162.
5. HighBeam Research. Software Industry Report August 1993.
http://www.highbeam.com/doc/1G1-13251633.html
. Accessed 3 February 2007.