Oliveira, I. d. S., Franke, F. A., Hering, L., Shaffer, S., Rowell, D. M., Weck-Heimann, A., . . . Mayer, G. (2012). Unexplored Character Diversity in Onychophora (Velvet Worms): A Comparative Study of Three Peripatid Species.

Oliveira, Ivo de Sena, Franziska Anni Franke, Lars Hering, Stefan Shaffer, David M. Rowell, Andreas Weck-Heimann, Julián Monge Nájera, Bernal Morera, ja Georg Mayer. Unexplored Character Diversity in Onychophora (Velvet Worms): A Comparative Study of Three Peripatid Species. 2012.

Oliveira, Ivo de Sena, et al. Unexplored Character Diversity in Onychophora (Velvet Worms): A Comparative Study of Three Peripatid Species. 2012.