Cintra, R. & Horna, V. (1997). "Seed and seedling survival of the palm Astrocaryum murumuru and the legume tree Dipteryx micrantha in gaps in Amazonian forest". Journal of Tropical Ecology. 13 (1): 257–277. doi:10.1017/S0266467400010440. S2CID84815578.
Eason, P. (2010). "Alarm signaling in a facultatively social mammal, the southern Amazon red squirrel Sciurus spadiceus". Mammalia. 74 (3): 343–345. doi:10.1515/mamm.2010.038. S2CID85020661.
Cintra, R. & Horna, V. (1997). "Seed and seedling survival of the palm Astrocaryum murumuru and the legume tree Dipteryx micrantha in gaps in Amazonian forest". Journal of Tropical Ecology. 13 (1): 257–277. doi:10.1017/S0266467400010440. S2CID84815578.
Eason, P. (2010). "Alarm signaling in a facultatively social mammal, the southern Amazon red squirrel Sciurus spadiceus". Mammalia. 74 (3): 343–345. doi:10.1515/mamm.2010.038. S2CID85020661.