Hofmann, Siegfried. |
Christoph Scheiner - Galileo Galilei / Siegfried Hofmann |
In: Jesuiten in Ingolstadt. Stadtarchiv (Ingolstadt) p. 160-163 |
Habrich, Christa |
The German museum of the history of medicine in Ingolstadt / Christa Habrich and Siegfried Hofmann |
Ingolstadt : The Press office of the city of Ingolstadt, c1991. |