| Author: | Sohl, Jerry, 1913-2002 |
| Subject: | PS, Time travel -- Fiction, Short stories, Science fiction |
| Format: | Text |
| Date issued: | 2010 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Ultroom Error [electronic resource] / Jerry Sohl |