Mertl-Millhollen, S. A.; Gustafson, H. L.; Budnitz, N.; Dainis, K.; Jolly, A. Population and territory stability of Lemur catta at Berenty, Madagascar. Folia Primatologica. 1979, 31 (1–2): 106–123. PMID 114464. doi:10.1159/000155875.
Jolly, A.; et al. Population and troop ranges of Lemur catta and Lemur fulvus at Berenty, Madagascar: 1980 census. Folia Primatologica. 1982, 39 (1–2): 115–123. PMID 7141348. doi:10.1159/000156070.
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Mertl-Millhollen, S. A.; Gustafson, H. L.; Budnitz, N.; Dainis, K.; Jolly, A. Population and territory stability of Lemur catta at Berenty, Madagascar. Folia Primatologica. 1979, 31 (1–2): 106–123. PMID 114464. doi:10.1159/000155875.
Jolly, A.; et al. Population and troop ranges of Lemur catta and Lemur fulvus at Berenty, Madagascar: 1980 census. Folia Primatologica. 1982, 39 (1–2): 115–123. PMID 7141348. doi:10.1159/000156070.