TY  - RPRT
TI  - Patterned variation in prehistoric chiefdoms.
AU  - Robert D Drennan
AU  - Christian E Peterson
PY  - 2006
DO  - 10.1073/pnas.0510862103
UR  - https://pubmed.ncbi.nlm.nih.gov/16473941/
ID  - 16473941
ER  -