[1] [CITE@en[What Is an ActiveX Document?]] ([TIME[2017-03-28 19:42:39 +09:00]]) <https://msdn.microsoft.com/en-us/library/aa733734(v=vs.60).aspx>

[2] [CITE@en[ActiveX Document - Wikipedia]] ([TIME[2017-03-21 15:27:43 +09:00]]) <https://en.wikipedia.org/wiki/ActiveX_Document>