Nicholas Toth, Kathy D. Schick, E. Sue Savage-Rumbaugh, Rose A. Sevcik, Duane M. Rumbaugh: Pan the Tool-Maker: Investigations into the Stone Tool-Making and Tool-Using Capabilities of a Bonobo (Pan paniscus). In: Journal of Archaeological Science. Band 20, Nr. 1, 1993, S. 81–91, doi:10.1006/jasc.1993.1006.
Kathy D. Schick, Nicholas Toth, Gary Garuf, E. Sue Savage-Rumbaugh, Duane Rumbaugh, Rose Sevcik: Continuing Investigations into the Stone Tool-making and Tool-using Capabilities of a Bonobo (Pan paniscus). In: Journal of Archaeological Science. Band 26, Nr. 7, 1999, S. 821–832, doi:10.1006/jasc.1998.0350.
Itai Roffman, Sue Savage-Rumbaugh, Elizabeth Rubert-Pugh, Avraham Ronen, Eviatar Nevo: Stone tool production and utilization by bonobo-chimpanzees (Pan paniscus). In: PNAS. Band 109, Nr. 36, 2012, S. 14500–14503, doi:10.1073/pnas.1212855109.