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La nouvelle économique
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Revue roumaine de geologie, geophysique et geographie: geologie
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The role of surface phenomena in metallurgy.
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Les aspects juridiques du développement économique : Etudes préparées a la requete de l'Unesco.
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Bulletin, Societe Belge de Geologie
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Studii si cercetari de geologie
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Revue de geologie et de geographie
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Revista, Mus. Argent. Cienc. Nat. Bernardino Rivadavia Inst. Nac. Invest. Cienc. Nat., geologia
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Economics of uranium ore processing operations = Aspects économiques du traitement des minerais d' uranium.
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Sciences geologiques, bulletin, Institut de Geologie, Universite Louis Pasteur de Strasbourg
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Bulletin signaletique, CNRS, sec. 214: sciences de la terre 2: geologie appliquee
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Bulletin signaletique, CNRS, sec. 216: sciences de la terre 3: geologie, paleontologie
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Crystals: their role in nature and in science.
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Conference on the role of gravitation in physics
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The Role of consciousness in the physical world
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Bulletin signaletique, CNRS, sec. 11: sciences de la terre 2: physique du globe, geologie, paleontologie
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Metallurgie
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The metallurgy of hafnium.
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Metallurgy.
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On the roles of hunting and habitat size on the extinction of megafauna
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An economic forecast of the role of nuclear power in Canada.
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The role of automation and humans in nuclear power plants.
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The role of semiconductor detectors in the future of nuclear medicine.
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Nuclear energy and sustainable development: the role of law.