IOBC-WPRS Bulletin Vol. 7 (6), 1984

Working Group: "Integrated Protection in Orchards"
Proceedings of the 3rd meeting of the Subgroup on integrated pest and disease control in hops,
Freising (Germany), 9-12 August 1983.
Edited by: I. Hrdý & H. Hrdlicková  [79 pp.].