Oelze, V. M., Fuller, B. T., Richards, M. P., Fruth, B., Surbeck, M., Hublin, J., & Hohmann, G. (2011). Exploring the contribution and significance of animal protein in the diet of bonobos by stable isotope ratio analysis of hair. National Academy of Sciences.

Oelze, Vicky M., Benjamin T. Fuller, Michael P. Richards, Barbara Fruth, Martin Surbeck, Jean-Jacques Hublin, and Gottfried Hohmann. Exploring the Contribution and Significance of Animal Protein in the Diet of Bonobos By Stable Isotope Ratio Analysis of Hair. National Academy of Sciences, 2011.

Oelze, Vicky M., et al. Exploring the Contribution and Significance of Animal Protein in the Diet of Bonobos By Stable Isotope Ratio Analysis of Hair. National Academy of Sciences, 2011.