Michels Andreas, Honecker Dirk, Erokhin Sergey, Berkov Dmitry
Physics and Materials Science Research Unit, University of Luxembourg, 162A Avenue de la Faïencerie, L-1511 Luxembourg.
Institut Laue-Langevin, 71 avenue des Martyrs, F-38042 Grenoble, France.
Phys Rev Lett. 2015 Apr 10;114(14):149701. doi: 10.1103/PhysRevLett.114.149701. Epub 2015 Apr 7.