@article{journal,
author = {Pinto, A. C. B. and Azevedo-Ramos, C. and Carvalho Jr., O. de},
title = {Activity patterns and diet of the howler monkey Alouatta belzebul in areas of logged and unlogged forest in Eastern Amazonia},
year = {2003},
volume = {26.2},
pages = {39--49},
journal = {Animal Biodiversity and Conservation},
keywords = {Alouatta belzebul,, Patr{\'o}n de comportamiento, Alimentaci{\'o}n, Tala de impacto reducido, Selva tropical, Amazonia.}
}