Mexican-American convention for the discussion of matters related to the insect control and diseases of the cotton plant and also the quarantine that should be established in order to avoid propagation of the pink bollworm México, D.F., July 28, 29 and 30th. of 1953

الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)

المعلومات البيبليوغرافية