Seminar of head of geological surveys of commonwelath countries in the Asian Region, November 28 - December 2, 1977 - Seminar of Heads of Geological Surveys of Commonwealth Countries in the Asian Region (1977 : Sri Lanka); Herath, M.M.J.W.; Commonwealth Geological Liaison Office (London Commonwealth Geological Liaison Office, 1978)
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Keywords: Geology -- Asia -- Congresses