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The Principles of PETROLOGY by G.W. Tyrrell La terra e i suoi misteri by G.W. Tyrrell The Geology of Arran (District Memoir) (Geological Memoirs & ... by G.W. Tyrrell Volcanoes by G.W. Tyrrell THE BASALTS OF PATAGONIA by G.W. Tyrrell Medtech (Hb) The Principles Of Petrology by Tyrrell DISCOVERY REPORTS VOL. III by G.W. Tyrrell TRANSACTIONS OF THE ROYAL SOCIETY OF EDINBURGH, THE PETROLOGY... by G.W. Tyrrell The Principles Of Petrology by G.W. Tyrrell La tierra y sus misterios by G.W. Tyrrell


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