1. Alder A.M. (2006). "Comparing time and accuracy of building information modeling to on-screen takeoff for a quantity takeoff of a conceptual estimate." Msc Thesis School of Technology Brigham Young University. August 2006.
2. Boryslawski M. (2006). "Building owners driving BIM: the "letterman digital arts center" story." AECbytes Building the Future Article Available at: http://www.aecbytes.com/buildingthefuture/2006/LDAC_story.html
3. CIFE. (2007). "Case studies on the implementation and benefits of 3D and 4D CAD." Available at: http://www.stanford.edu/~gaoju/3D4DFramework/cases.htm
4. Graphisoft. (2004). "Kajima whitepaper." Available at: http://www.graphisoft.co.uk /products/construction/white_papers/
5. Areas of Application for 3D and 4D Models on Construction Projects