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por Taylor, John F | International Symposium on the Ordovician System, 8 Prague, Czech Republic June 20-25, 1999.
por Myrow, Paul M | Taylor, John F | Miller, James F | Ethington, Raymond L | Ripperdan, Robert L | Allen, Joseph L.
por Myrow, Paul M | Taylor, John F | Miller, James F | Ethington, Ray L | Ripperdan, Robert | Brachle, Christina | Owen, Melissa | International Symposium on the Ordovician System, 8 Prague, Czech Republic June 20-25, 1999.