| Author: | Levy, Stanley Isaac |
| Subject: | QD, Rare earths |
| Format: | Text |
| Date issued: | 2020 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Rare Earths : Their Occurrence, Chemistry, and Technology [electronic resource] / Stanley Isaac Levy |