Volume 22, Issue 1, April 2009, Pages 99-106
Sudheer Sharma; G.C. Sharma; Madhu Jain
Volume 21, Issue 4, November 2008, Pages 319-328
Sudheer Sharma; G. C. Sharma; M. Jain
Volume 19, Issue 1, November 2006, Pages 35-48
Sudheer Sharma; G. C. Sharma; Madhu Jain