TY  - BOOK
AU  - Earle Timothy K Ed
AU  -  Eriscon Jonathon E Ed.
TI  - Exchange systems in preshistory
T2  - Studies in archeology ed by Stauart Struever
U1  - X:5v, L7 
PY  - 1977///
CY  - New York
PB  - Academic      
KW  - ECONOMICS
ER  -