1-Zahedi AR, Ranji A and Asiaban S. "Optimizing COF, blocking force, and printability of low density polyethylene". J. plast. film sheet. 2006; 22: 163-76. 3.

2-A. Ahmadi, S.M. Beck,  “Computational analysis of the orifice plate with a swirler flow conditioner”, The 14 Annual (International) Conferences of Mechanical Engineering, Isfahan, Iran, May 17-19, 2006