Distribution of Empoasca lybica on cotton in the Sudan
Evans, D.E.
Distribution of Empoasca lybica on cotton in the Sudan - London 1966 - 635-662 p. - No. 67; Cotton Research Corpor .
Distribution of Empoasca lybica on cotton in the Sudan - London 1966 - 635-662 p. - No. 67; Cotton Research Corpor .