http://help.autodesk.com/view/MAYAUL/2015/JPN/?guid=Procedures_Defining_procedures

http://help.autodesk.com/view/MAYAUL/2015/JPN/?guid=Syntax

http://tech.autodesk.jp/faq/faq/adsk_result_dd.asp?QA_ID=7626

http://research.cesa.or.jp/iiohanashi.html

http://shikatanaku.blogspot.jp/2009/12/blog-post_18.html

http://www.zinkia.com/