Usoskin, I. G. https://orcid.org/0000-0001-8227-9081
Kovaltsov, G. A.
Mishina, L. N.
Sokoloff, D. D.
Vaquero, J. https://orcid.org/0000-0002-8754-1509
Funding for this research was provided by:
Luonnontieteiden ja Tekniikan Tutkimuksen Toimikunta (272157)
junta de Extremadura (GR15137)
Article History
Received: 28 September 2016
Accepted: 28 November 2016
First Online: 20 December 2016
Disclosure of Potential Conflicts of Interest
: The authors declare that they have no conflicts of interest.