Add data from Shennan & Collard 2005

[joeroe]

Dataset on the frequency of various material culture types on the north coast of New Guinea.

• Shennan, S.J., Collard, M., 2005. Investigating Processes of Cultural Evolution on the North Coast of New Guinea with Multivariate and Cladistic Analyses, in: Mace, R., Holden, C.J., Shennan, S. (Eds.), The Evolution of Cultural Diversity A Phylogenetic Approach. UCL Press, London, pp. 133–164.

Original data cited to:

• Welsch, R.L., Terrell, J., Nadolski, J.A., 1992. Language and Culture on the North Coast of New Guinea. Am. Anthropol. 94, 568–600. https://doi.org/10.1525/aa.1992.94.3.02a00030