Modern Developments in Vacuum Electron SourcesGeorg Gaertner, Wolfram Knapp, Richard G. Forbes · First published 2021Open the Tome
Vacuum Electron SourcesGeorg Gärtner, Wolfram Knapp, Richard G. Forbes · First published 2020Open the Tome
Leibniz und Guericke Im DiskursOtto Guericke, Gottfried Wilhelm Leibniz, Berthold Heinecke, Wolfram Knapp, Paolo Rubini · First published 2018Open the Tome
Schwarze Sonne, roter Mond. Die Jahrhundertfinsternis.Rudolf Kippenhahn, Wolfram Knapp · First published 1999Open the Tome
