Scripta Varia

Natural Products and the Protection of Plants

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Study Week, 18-23 October 1976
G.B. Marini-Bettòlo (ed)
Scripta Varia 41
Vatican City, 1977
pp. xliv-846

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1976, 23 October

Address to the Plenary Session and to the Study Week on the Subject ‘Natural Products and the Protection of Plants’ The Supreme Pontiff affirms that... Read more