1. AEC3 UK (2010) "BIMServices - Command-Line Utilities for BIM " http://www.aec3.com/6/6_04.htm cited 14 Jan 11.
2. Amor Robert et. al. (2008) "Online product Libraries: The State-of-the-art " Scientific Commons http://en.scientificcommons.org/42559250 cited 13 Jan 11.
3. Begley E. F. at. al. (2005) "Semantic Mapping Between IAI ifcXML and FIATECH AEX Models for Centrifugal Pumps " National Institutes of Standards and Technologies NISTIR 7223 May 2005.
4. buildingSMART Alliance (2009) "SPie Meeting Notes Dec 2009 " http://www. buildingsmartalliance.org/index.php/newsevents/meetingspresentations/spieme eting09/ cited 13 Jan 11.
5. buildingSMART Alliance (2010) "Specifiers Properties information exchange " http://www. buildingsmartalliance.org/index.php/projects/ activeprojects/32 cited 13 Jan 11.