| Author: | Le Bon, Gustave, 1841-1931 |
| Subject: | BD, Radioactivity, Matter -- Constitution |
| Format: | Electronic text |
| Date issued: | 2022 |
| Language: | French |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | La naissance et l'évanouissement de la matière [electronic resource] / Gustave Le Bon |