Palynostratigraphy ofthe Chapada Group andits significance inthe Devonianstratigraphy of theParaná Basin, southBrazil Yngve GrahnPaula Mendlowicz MaullerEgberto Pereira2009 год

Palynostratigraphy of the Chapada Group and its significance in the Devonian stratigraphy of the Paraná Basin, south Brazil
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