Patel, A. K.
Acharya, N. K.
Funding for this research was provided by:
Department of Science and Technology, New Delhi (FTP/PS-32/2006 and BY/P-01/10-11)
University Grants Commission, New Delhi (GCU-4/UGCBSR Fel/App.Phy./13-14/#1263/943)
Article History
Received: 4 September 2018
Accepted: 1 April 2019
First Online: 13 April 2019