Earth sciences and the quality of life = Les sciences de la terre et la condition humaine
(International Geological Congress : twenty-fourth session, Canada-1972 = Congres Geologique International : vingt-quatrième session, Canada-1972, symposium 1)
International Geological Congress, 1972
Managing editor; James E. Gill
International Geological Congress 1972-1973
Abstracts , General proceedings , First circular
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