@book{61517,
	author = {Valdes, Alberto (Ed.) and Dillon, John L (Ed.)},
	title = {Economics and the design of small-farmer technology},
	publisher = {Iowa State University Press},
	year = {1979},
	address = {Iowa},
	note = {Proceedings of an International Conference on Economic Analysis in the design of new technology for small farmers, held at the Centro International de Agricultural Tropical (CIAT), November 26-28, 1975}
}