Influence of pesticides on the beneficial fauna in fruit trees. Proceedings of a meeting of the Working Group: "Integrated Protection in Orchards", Colmar (France), 31 March-I April 1981 [90 pp.].
Influence of pesticides on the beneficial fauna in fruit trees. Proceedings of a meeting of the Working Group: "Integrated Protection in Orchards", Colmar (France), 31 March-I April 1981 [90 pp.].