| Author: | Oken, Lorenz, 1779-1851 |
| Subject: | QH, Natural history |
| Format: | Electronic text |
| Date issued: | 2015 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Elements of Physiophilosophy [electronic resource] / Lorenz Oken |