Résumés des communications.
By: Summaries of papers.  Zusammenfassungen der Vorträge.
Published: 1970
Place of publication: [n.p
Language: eng
Number of pages: 866
Subjects: Plants, Protection of -- Congresses.; Pests -- Control -- Congresses.; Agricultural chemicals -- Congresses.
Notes: French, English or German.

Includes bibliographies.