Media type: E-Article Title: The Gargasian (Middle Aptian) substage in the Aptian historical stratotypes (SE France): General introduction Contributor: Tronchetti Guy; Moullade Michel Published: 2004 Published in: Carnets de Géologie (2004) Language: English; French ISSN: 1765-2553; 1634-0744 Origination: Footnote: Access State: Open Access