1
by Beutelspacher, Albrecht, Schwenk, Jörg, Wolfenstetter, Klaus-Dieter
Published 2006
Vieweg+Teubner Verlag

2
by Beutelspacher, Albrecht, Schwenk, Jörg, Wolfenstetter, Klaus-Dieter
Published 2015
Springer Fachmedien Wiesbaden