Management Responsibilities and Policies for Cormorants: United States Fish and Wildlife Service
| Autor: | Trapp, John L., Dwyer, Thomas J., Doggett, John J., Nickum, John G. |
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| Zdroj: | Colonial Waterbirds, 1995 Jan 01. 18, 226-230. |
| Databáze: | JSTOR Journals |
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