Não informado. (1955). Pesticides abstracts and news summary. Ministry of Overseas Development.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Pesticides Abstracts and News Summary. London: Ministry of Overseas Development, 1955.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Pesticides Abstracts and News Summary. Ministry of Overseas Development, 1955.
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