Résumés des communications =
Subtitle: summaries of papers : Zusammenfassungen der Vorträge, Paris, 21-25 Septembre, 1970.
Published: 1971
Place of publication: [Paris, France? : s. n
Language: eng
Number of pages: 866
Subjects: Plants, Protection of -- Congresses.; Pests -- Control -- Congresses.; Agricultural chemicals -- Congresses.
Notes: Includes bibliographic references.

French, English and German.