ROPOLO, PIERRE
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RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA Vol. 105 No. 2 (1999) - Articles
THE APPEARANCE OF THE GENUS DESHAYESITES (KAZANSKY, 1914, AMMONOIDEA) IN THE LOWERMOST APTIAN (LOWER CRETACEOUS) OF LA BÉDOULE (SE FRANCE)
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