1. LonTalk Protocol Specification,1995
2. LonWorks Technology Device Data,1997
3. http://www.echelon.com/support/documentation/manuals/routers/078-0018-01D.pdf
4. http://www.lonmark.com/press/download/LYR732.pdf
5. http://www.echelon.com/support/documentation/manuals/devtools/078-0140-02E.pdf