Impressionstechnik (Diederichsen)

=Impressionstechnik=

Impressionstechnik (ISBN 978-3-00-020781-5) is a book by Oliver Diederichsen. Written in German, it is a in-depth study of the techniques used to create a key by impressioning, including a large collection of photographs. Hardcover. Published December 2007.

An English translation of the book is also available (ISBN 978-3-00-021308-3).