1. 1. Ronald Krueger, “An approach to assess Delamination propagation Simulation Capabilities in Commercial Finite Element codes”, National Aeronautics and space Administration, NASA/TM-2008-215123, 2008.
   2. Ronald Krueger, “A summary of benchmark examples to assess the performance of quasi –static delamination propagation prediction capabilities in finite element codes”, Journal of Composite Materials, 2014.
   3. Ronald Krueger, “Virtual crack closure technique : History, approach, and applications”, Appl Mech Rev vol.57 No.2, March 2004.
   4. Lyle R. Deobald, Gerald E. Mabson, “Guidelines for VCCT-Based Inter-laminar Fatigue and Progressive Failure Finite Element Analysis”, NASA/TM–2017- 219663, September 2017
   5. M. Uslu Uysal, “Virtual Crack Closure Technique on Delamination Fracture Toughness of Composite Materials Based on Epoxy Resin Filled with Micro-Scale Hard Coal”, Special Issue of the 6th International Congress & Exhibition (APMAS2016), Maslak, Istanbul, Turkey, June 1–3, 2016.