| Publication Type: | Journal Article |
| : | 2001 |
| Authors: | J. J. Morrone |
| Journal: | Biogeographica |
| Volume: | 77 |
| Pagination: | 65-82 |
| Notes: | ORIG-Title-Journal-Volume-Combination: A proposal concerning formal definitions of the Neotropical and Andean regions. Biogeographica 77 ReferenceLetter: a. |