Yaneva, A.
Kocheva, D.
Rainovski, G.
Jolie, J.
Pietralla, N.
Blazhev, A.
Dewald, A.
Djongolov, M.
Fransen, C.
Gladnishki, K. A.
Henrich, C.
Homm, I.
Ide, K. E.
John, P. R.
Kalaydjieva, D.
Karayonchev, V.
Kern, R.
Kleemann, J.
Kröll, Th.
Müller-Gatermann, C.
Scheck, M.
Spagnoletti, P.
Stoyanova, M.
Werner, V.
Article History
Received: 17 July 2020
Accepted: 20 September 2020
First Online: 2 October 2020