Development of the labor surplus economy : theory and policy by John C.H. Fei and Gustav Ranis. - Homewood, Ill. R. D. Irwin 1964. - x, 324 p. ill. 23 cm. "A publication of the Economic Growth Center, Yale University." Subjects--Topical Terms: Economic development--Mathematical models. Subjects--Geographic Terms: Developing countries. LC Class. No.: HD82 / .F377