Eur. Phys. J. Special Topics 225, 627-628 (2016)
https://doi.org/10.1140/epjst/e2016-60134-1

Editorial

Institute for Energy Technology, Kjeller, Norway
Department of Physics, University of Oslo, Oslo, Norway

Received: 25 April 2015
Revised: 26 May 2016
Published online: 15 July 2016

This article has no abstract.