IOBC-WPRS Bulletin Vol. 22 (7) 1999

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.