TY - BOOK AU - Blakerlee, Leroy L AU - Framingham, Charles F AU - Heady, Earl O TI - World food production, demand and trade SN - 0-8138-1800-1 U1 - 338.19 21st PY - 1973/// CY - Ames PB - Iowa State University Press KW - Food supply; Agriculture-Statistics ER -