1 Table of Contents: “..., Germany -- 2. Desorption as a criterion for the estimation of methane content in a coal seam -- 3. Grading...”

2 Table of Contents: “... as Vital Elements in Climatic History. The Case of Stormy Weather and Dikes in the Northern Part...”

3 “...The geological history of the HPPP, however, goes much further than the Carboniferous-Permian...”