Kumar, P V Vijaya http://orcid.org/0000-0001-7328-0347
Rao, P B V Subba
Singh, A K
Kumar, Amit
Rao, P Rama
Funding for this research was provided by:
Director, Indian Institute of Geomagnetism
Article History
Received: 2 May 2019
Revised: 29 July 2020
Accepted: 6 February 2021
First Online: 24 May 2021