Volume 31, Issue 1, January 2018, Pages 120-127
D Srinivasacharya; P Jagadeeshwar
Volume 22, Issue 1, April 2009, Pages 63-75
S. Delfani; Hadi Pasdarshahri; Ghassem Heidarinejad
Volume 16, Issue 1, February 2003, Pages 1-20
M. A. Isazadeh