Volume 31, Issue 6, June 2018, Pages 980-985
J. Krishna; P. S. Kishore; A. Brusly Solomon; V. Kumar Sharma
Volume 28, Issue 4, April 2015, Pages 642-647
Majid Baygan; Ali Mohammadnia; Behrooz Ziapour
Volume 22, Issue 3, September 2009, Pages 233-242
E Azad