TY  - BOOK
AU  - Colman, David.
AU  - Young, Trevor.
TI  - Principles of agricultural economics: markets and prices in less developed countries 
SN  - 0521336643 (pbk)
U1  - 338.1091724 
PY  - 1989///. repr. 1997
CY  - Cambridge
PB  - Cambridge University Press
N1  - Includes bibliographical references (p. 308-313) and index
ER  -