| Author: | Schoenherr, John, 1935-2010 |
| Subject: | PS, Science fiction, Short stories, Impostors and imposture -- Fiction, Husband and wife -- Fiction, Robots -- Fiction |
| Format: | Text |
| Date issued: | 2016 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Prime Difference [electronic resource] / John Schoenherr |