1. Applied Research Associates Inc. "Progressive Collapse Analysis and Design Guidelines for New Federal Office Buildings and Major Modernization Projects " Prepared for the US General Services Administration Washington D.C. November 2000.
2. Applied Research Associates Inc. "Progressive Collapse Analysis and Design Guidelines for New Federal Office Buildings and Major Modernization Projects " Prepared for the US General Services Administration Washington D.C. June 2003.
3. Herrle K.W. and McKay A.E. (2006). "Development and Application of Progressive Collapse Design Criteria for the Federal Government " Applied Research Associates Inc. 2006.
4. MacNeill R.A. Kirkpatrick S.W. etal "NCSTAR 1-9A: Global Structural Analysis of the Response of World Trade Center Building 7 to Fire and Debris Impact Damage " National Institute of Standards and Technology Report November 2008.
5. "LS-DYNA Keyword User's Manual " Livermore Software Technology Corporation Version 971 May 2007.