Thank you for purchasing the book

To access the additional material at any time, log in with your user data via the menu item “Login”. An additional menu item “Additional material” will then appear. 

Hartmut Seidich
Schirrmannstraße 20
D-44653 Herne
textbook@uppermaking.com

With the sale of the textbooks we support the work of the Pleistocene & Permafrost non-profit foundation

Hartmut Seidich
Schirrmannstraße 20
D-44653 Herne
textbook@uppermaking.com

With the sale of the textbooks we support the work of the Pleistocene & Permafrost non-profit foundation