| Author: | Planck, Willy, 1870-1956 |
| Subject: | BD, Human beings |
| Format: | Text |
| Date issued: | 2018 |
| Language: | German |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Der Mensch der Zukunft [electronic resource] / Willy Planck |
| Author: | Planck, Willy, 1870-1956 |
| Subject: | BD, Human beings |
| Format: | Text |
| Date issued: | 2018 |
| Language: | German |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Der Mensch der Zukunft [electronic resource] / Willy Planck |