| Author: | Mengel, Robert Morrow, 1921- |
| Subject: | QH, Birds -- Migration |
| Format: | Electronic text |
| Date issued: | 2016 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Studies of Birds Killed in Nocturnal Migration [electronic resource] / Robert Morrow Mengel |