Smale, Melinda Farmers, gene banks and crop breeding : economic analysis of diversity in wheat, maize, and rice /ed. by Melinda Smale - Boston : Kluwer Academic, 1998. - 270 p. : gráfs. LCCN: 80385 Subjects--Topical Terms: Arroz--Germoplasma.Cultivos--Mejoramiento.Maíz--Germoplasma.Recursos genéticos--Conservación. Dewey Class. No.: 581.151 / S5