TY  - BOOK
AU  - Ekelund R. B. Ed.
TI  - Evolution of modern demand theory :  A collection o   
T2  - Studies in business, technology and economics
SN  - 0669625477
U1  - X:731, L2 
PY  - 1972///
CY  - Massachusetts
PB  - Heath          
KW  -  Economics
KW  - Demand
ER  -