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1by International Congress on the Sun in the Service of Mankind, Paris, 1973, Robert, P.C., Couturier, A.programme and meeting document bibliotecaUNESCO
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2by Dutrieux, Loïc, Azzabi, R., Gond, Valéry, Bouka-Dipelet, Ulrich Gaël, Doumenge, Charles, Prospéri, Maria-Juliana, Bauwens, Sébastien, Laverdunt, A., Rivière, L., Van Loon, Tom, Couturier, A.conference_item bibliotecaCIRAD FR