[1] [CITE@en[''''''[''''''MS-WMF'''''']'''''': Windows Metafile Format]]
( ([TIME[2014-04-12 14:59:09 +09:00]] 版))
<http://msdn.microsoft.com/en-us/library/cc250370.aspx>

[2] [CITE@en[RFC 7903 - Windows Image Media Types]]
([TIME[2016-10-02 22:24:12 +09:00]])
<https://tools.ietf.org/html/rfc7903>