Volume 12, Issue 3, September 2011, Pages 60-63
M. SHOJAEIFARD; MAJID MALEKI; A.A. YOUSEFI; F. NOOHI; Z. OJAGHI HAGHIGHI
Volume 7, Issue 1, March 2006, Pages 36-39
A.A. YOUSEFI; NADER GIVTAJ; A. ZAVAREH; N. SABOURIZADEH; M.R. CHIZAREE