Detailed reference section.
Article: “Who has the responsibility to firestop?” PM Engineer Magazine, February 2010
Article: “Stop Fire in its Tracks” Plumbing Systems & Design, November 2010
How to insert a HTML file as a OLE Object in AutoCAD
(System requirements: Windows 98 or above, Office 98 or above, Internet Explorer 5.5 or above)
Instruction for inserting a PDF