Cornet, Rene Jules. Les phares verts / Richard A. Spears. - Bruxelles : L. Cuypers , 1965. - 234 p. : illus., fold. map, ports. ; 22 cm. Bibliography: p. 229-230. Subjects--Topical Terms: Agriculture--Research--History.--Congo (Democratic Republic) LC Class. No.: S473.C62 / L42