Imprint

G. Henle Publishers

App idea and concept development Wolf-Dieter Seiffert
Norbert Gertsch
App project management Norbert Gertsch App producer Till Kordt-Dauner App marketing management Wolf-Dieter Seiffert App customer support Alfred Hübner App and back-end development The Tengio team Prior app and back-end development The Amphio team
The Touchpress team

 
© 2016–2021 by G. Henle Publishers, München.