1. 1994. Levantamento das populações de primatas diurnos do Parque Zoobotânico, Rio Branco-AC. Paper presented at the I Jornada Nacional de Ini-ciação Científica/46a Reunião Anual da Sociedade Brasileira para o Progresso da Ciência (Vitória, ES, Brazil).
2. 1997. Medidas morfométricas de Saguinus imperator imperator e Saguinus fuscicollis weddelli (Callitrichidae, Primates) em ambiente natural. In: editors. A primatologia no Brasil Vol. 6. Natal: Editora Universitária-UFRN. p 257-267.
3. 2000. Cognitive aspects of within-patch foraging decisions in wild diurnal and nocturnal New World monkeys. Ph.D. dissertation, University of Illinois, Urbana-Champaign, IL. 387 p. Available from University Microfilms, Ann Arbor, MI: AAT9955588.
4. A field study on the red-bellied tamarin,Saguinus l. labiatus, in Bolivia
5. 1993. Flexibility and co-operation as unifying themes in Saguinus social organization and behaviour: the role of predation pressures. In: editor. Marmosets and tamarins: systematics, behaviour, and ecology. Oxford: Oxford University Press. p 200-219.