| Publication Type: | Journal Article |
| Year of Publication: | 1975 |
| Authors: | M. D. F. Udvardy |
| Journal: | IUCN Occasional Paper (No. 18). International Union for Conservation of Nature and Natural Resources |
| Full Text |
| Publication Type: | Journal Article |
| Year of Publication: | 1975 |
| Authors: | M. D. F. Udvardy |
| Journal: | IUCN Occasional Paper (No. 18). International Union for Conservation of Nature and Natural Resources |
| Full Text |