Austris Akmentinsh1, David Reifert2, Thomas Weimann2, Klaus Pierz2, Vyacheslavs Kashcheyevs1, and Niels Ubbelohde2,*
F. Hohls, D. Maradan, T. Gerster, N. Ubbelohde, T. Weimann, K. Pierz, and H. W. Schumacher