Biological Control of Citrus Coccids and Aleurodids Proceedings of the 3rd meeting of the Working Group: "Coccids and Aleurodids in Citrus", Palermo (Italy), 24-27 September 1974 [122 pp.].
Biological Control of Citrus Coccids and Aleurodids Proceedings of the 3rd meeting of the Working Group: "Coccids and Aleurodids in Citrus", Palermo (Italy), 24-27 September 1974 [122 pp.].