Several websites about maya programming

http://www.zjprogramming.com/
http://www.ewertb.com/maya/api/api.php?howto=18
http://caad.arch.ethz.ch/info/maya/manual/FileFormats/index.html
http://www.gamedev.net/reference/programming/features/mayaexporter/default.asp
http://www.alias.com/eng/products-services/maya/file/maya5_apiwhitepaper.pdf
http://www.garagegames.com
http://nehe.gamedev.net
http://www.davidgould.com/Books/CMP1/index.html