1
by Schnell, Gerhard, Hoyer, Konrad
Published 1981
Vieweg+Teubner Verlag

3
by Schnell, Gerhard, Hoyer, Konrad
Published 1989
Vieweg+Teubner Verlag

5
by Schnell, Gerhard, Hoyer, Konrad, Vömel, Martin
Published 1989
Vieweg+Teubner Verlag