Working Group "Integrated Plant Protection in Orchards. Pome Fruits". Proceedings of the Workshop at Einsiedeln (Switzerland), November 30 – December 3, 1997. X + 215 pp. Edited by: F. Polesny. ISBN 92-9067-112-2.
Working Group "Integrated Plant Protection in Orchards. Pome Fruits". Proceedings of the Workshop at Einsiedeln (Switzerland), November 30 – December 3, 1997. X + 215 pp. Edited by: F. Polesny. ISBN 92-9067-112-2.