[1] OWL 2 Web Ontology Language Manchester Syntax ( 版) <http://www.w3.org/TR/2009/NOTE-owl2-manchester-syntax-20091027/#Appendix:_Internet_Media_Type.2C_File_Extension_and_Macintosh_File_Type>
[2] OWL 2 Web Ontology Language Manchester Syntax ( ( 版)) <http://www.w3.org/TR/2012/NOTE-owl2-manchester-syntax-20121018/#Appendix:_Internet_Media_Type.2C_File_Extension_and_Macintosh_File_Type>