| Publication Type: | Journal Article |
| Year of Publication: | 1970 |
| Authors: | R. R. Sokal, Crovello T. |
| Journal: | The American Naturalist |
| Volume: | 104 |
| Pagination: | 127-153 |
| Keywords: | BIOLOGICAL SPECIES CONCEPT, PHENETIC SPECIES CONCEPT, species, SPECIES CONCEPTS |
| Alternate Journal: | The American Naturalist |
