SURVEY OF AMPHIBIANS AND REPTILES AT ALLEGHENY PORTAGE RAILROAD NATIONAL HISTORIC SITE AND JOHNSTOWN FLOOD NATIONAL MEMORIAL, PENNSYLVANIA
| Autor: | ROSS, BRADLEY, YAHNER, RICHARD H., KARISH, JOHN F., KUBEL, JACOB E. |
|---|---|
| Zdroj: | Journal of the Pennsylvania Academy of Science, 2007 Jul 01. 81(1), 3-7. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|