1. "Free WLAN on Tokyo train via 3G", presented on Internet Home Page< http://reiter.weblogger.com/2002/07/11>July 11, 2002
2. Toshihiko Nishimura, Takashi Mori, Jun Ishii, Tetsuro Mori, Kazuhiro Miyatsu, Kozue Matsuzawa, and Takeo Tomita, "Bluetooth Launch Trial in Hikari Rail Star", IEE-Japan Tech. Meeting on Transportation & Electric Railway,TER-02-67,pp11-14,2002.
3. Gregory W.Johnson, Robin Kawamoto, and Dave Bauer, "An Intelligent Router for Improved Network Performance over Mobile Satellite Links", AIAA-paper-2001-43,ICSSC, 2001.