| Author: | Sheldon, Walter J., 1917-1996 |
| Subject: | PS, Short stories, Science fiction |
| Format: | Text |
| Date issued: | 2009 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Houlihan's Equation [electronic resource] / Walter J. Sheldon |