TY  - BOOK
AU  - Earle, Timothy K. (Ed.)
AU  - Earle, Timothy K. (Ed.) Ericson, J.E. (Ed.)
TI  - Exchange systems in prehistory
U1  - V:70X 
PY  - 1977///
CY  - New York
PB  - Academic Press Inc.
KW  - V:70X
ER  -