i-mode
www.i-modesales.com

J-Phone's SkyWeb
www.j-phone.com

KDDI group
www.kddi.com/english

NTT DoCoMo
www.nttdocomo.com/top.htm

Tu-Ka
www.tu-ka.co.jp/news/release/000912.html

W3C cHTML Specification
www.w3.org/TR/1998/NOTE-compactHTML-19980209

BitFone
www.bitfone.com