Martínez, Jesús, Freddy Zenteno-Ruiz, Laura Moya, Pamela Carvajal, and Robert Wallace. 2019. “Fur Rubbing Behaviour in Free Ranging Beni Titi Monkeys (Plecturocebus Modestus) in Bolivia”. Neotropical Primates 25 (1): 44-48. https://doi.org/10.62015/np.2019.v25.91.