| Authors(s) | Curtis, D. J., A. Velo, E.-O. Raheliarisoa, A. Zaramody and P. Müller |
| Year | 1988 |
| Title | Surveys on Propithecus verreauxi deckeni, a melanistic variant, and P. v. coronatus in north-west Madagascar. Oryx vol. 32 no.2: 157-164. |
| Authors(s) | Curtis, D. J., A. Velo, E.-O. Raheliarisoa, A. Zaramody and P. Müller |
| Year | 1988 |
| Title | Surveys on Propithecus verreauxi deckeni, a melanistic variant, and P. v. coronatus in north-west Madagascar. Oryx vol. 32 no.2: 157-164. |