TY  - BOOK
AU  - Humphrey, Caroline.
TI  - Barter, Exchange and Value: An anthropological approach / 
SN  - 0-521-40682-X
U1  - Y:34(X5691) 
PY  - 1996///
CY  - Cambridge CB2 1RP : 
PB  - Cambridge University Press , 
KW  - Ceremonial exchange
ER  -