AphasieH. Ackermann, G. Liuzzi, Christian Gerloff, Thomas Brandt, Hans-Christoph Diener · First published 2013Open the Tome
Sprech- und StimmstörungenH. Ackermann, Christian Gerloff, Thomas Brandt, Hans-Christoph Diener · First published 2013Open the Tome
Business Law in GermanyHans-Christian Ackermann, Michael Rath, Stefan Altenschmidt · First published 2012Open the Tome