TY  - SER
AU  - Seeman, Mark F.
TI  - Ohio hopewell trophy skull artifacts as evidence for competition in middle woodland societies Circa 50 B.C.- A.D. 350
T2  - American Antiquity ; 
PY  - 1988///
CY  - Washington-US : 
PB  - Society for American Archaeology, 
ER  -