Volume 30-2, Issue 4.2, January 2015, Pages 73-78
S. M. A. Zomorodian; H.R. Koohpeyma
Volume 2-26, Issue 1, June 2010, Pages 85-92
S. Feizi-khankandi; A.A Mir Ghasemi; A. Ghalandarzadeh; K. Hoeg