| id | 849 (last modified: 28.9.2012) |
| title | A systematic and biological study of the Acarina of Illinois |
| year | 1909 |
| paper | The University Studies. University of Illinois |
| edition | 3 [6] |
| page | 1-120 |
| language | English |
| checked | paper |
| abstract | |
| URL | |
| author | Ewing, Henry Ellsworth |