Influence of pesticides on the beneficial fauna in fruit trees. Proceedings of a meeting of the Working Group: "Integrated Protection in Orchards", Les Barges (Switzerland), 26-27 April 1983 [67 pp.].
Influence of pesticides on the beneficial fauna in fruit trees. Proceedings of a meeting of the Working Group: "Integrated Protection in Orchards", Les Barges (Switzerland), 26-27 April 1983 [67 pp.].