Utgivare Edition Mahag

Cover for Harald Maurer · Das Prinzip des Seins (Pocketbok) [German edition] (2003)

Das Prinzip des Seins (2003)

Cover for Walter Theimer · Die Relativitätstheorie (Pocketbok) [German edition] (2005)

Die Relativitätstheorie (2005)

Cover for Harald Maurer · The Principle of Existence (Pocketbok) (2004)

The Principle of Existence (2004)