@book{77293,
	author = {Young, Trevor and Colman, David},
	title = {Principles of agricultural economics: markets and prices in less developed countries},
	publisher = {Cambridge University Press},
	year = {1989},
	series = {Wye studies in agricultural and rural development},
	address = {Cambridge:},
	note = {Includes index. -Bibliography: p. [308]-313.}
}