 | Retrieved 8 June 2010. Archive of the Max Planck Society: II. Abt., Rep. 18 – Max-Planck-Institut für Landarbeit und Landtechnik Archived 9 September 2013 at the... 202 KB (24,728 words) - 03:00, 30 March 2024 |
| Retrieved 8 June 2010. Archive of the Max Planck Society: II. Abt., Rep. 18 – Max-Planck-Institut für Landarbeit und Landtechnik Archived 9 September 2013 at the... 202 KB (24,728 words) - 03:00, 30 March 2024 |