22
by Schmidt, Alexander
Bern : Peter Lang International Academic Publishing Group, 1963
eBook
23
by Schmidt, Alexander
[Erscheinungsort nicht ermittelbar] : KIT Scientific Publishing, 2007
eBook
31
32
by Neukirch, Jürgen; Schmidt, Alexander
Berlin, Heidelberg : Springer-Verlag Berlin Heidelberg, 2011
eBook
33
by Giesselmann, Marco; Schmidt, Alexander
Berlin : DIW Berlin, German Institute for Economic Research, 2018
eBook