Dagmar Alpen

Dagmar Alpen is the author of "Zur Ökonomik Blockierender Patente".

Books by Dagmar Alpen

Zur Ökonomik Bloc...
Alpen, Dagmar
Paperback:

Zur Ökonomik Bloc...
Alpen, Dagmar
Paperback: $69.99

Zur Ökonomik Bloc...
Alpen, Dagmar
Electronic book text: $54.99