Hermanns, NorbertNorbertHermanns0000-0002-2903-26772019-09-192015-08-1920121860-9716https://fis.uni-bamberg.de/handle/uniba/39338deuarticle10.1007/s11428-012-0902-5http://link.springer.com/article/10.1007%2Fs11428-012-0902-5