[5] Dynamic HTML in Communicator, , https://web.archive.org/web/20001206092700/http://developer.netscape.com/docs/manuals/communicator/dynhtml/webfont1.htm#1032362
[2] RFC 3073 - Portable Font Resource (PFR) - application/font-tdpfr MIME Sub-type Registration ( 版) https://tools.ietf.org/html/rfc3073
[4] TrueDoc - Bitstream ( 版) http://web.archive.org/web/20040603123430/http://www.bitstream.com/categories/developer/truedoc/pfrspec.html