TY  - BOOK
AU  - Ericson, Jonathon E.
AU  - Earle, Timothy K.
TI  - Contexts for prehistoric exchange
SN  - 0122415809
AV  - GN799.E4C66 1982 
PB  - Academic Press
KW  - Economics, Prehistoric
KW  - Exchange -- History
KW  - GN
N1  - Includes bibliographies and index
ER  -