| Author: | Plaskett, J. S. (John Stanley), 1865-1941 |
| Subject: | QB, Dominion Astrophysical Observatory |
| Format: | Electronic text |
| Date issued: | 2020 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Dominion Astrophysical Observatory, Victoria, B.C. [electronic resource] / J. S. Plaskett |