Cobley, Leslie S. W.M. Steele An Introduction to the Botany of Tropical Crops / by Leslie S. Cobley - 2nd ed. - London : The English Language Book Society, 1979 - XVI, 371 p. ISBN: 0-582-44244-3 Subjects--Topical Terms: Agriculture Subjects--Facted Index Terms: Plant Crops Dewey Class. No.: 633 / COB-I2