| Authors(s) | Richard, A.E, R. Rakotonianga, and M. Schwartz |
| Year | 1991 |
| Title | Demography of Propithecus verreauxi at Beza Mahafaly: Sex ratio, survival and fertility, 1984- 1988. American Journal of Physical Anthropology. 84: 307-322. |
| Authors(s) | Richard, A.E, R. Rakotonianga, and M. Schwartz |
| Year | 1991 |
| Title | Demography of Propithecus verreauxi at Beza Mahafaly: Sex ratio, survival and fertility, 1984- 1988. American Journal of Physical Anthropology. 84: 307-322. |