https://pure.lib.usf.edu/en/publications/eoceneoligocene-boundary-in-the-purcaret-mesteacan-area-the-somes/
Eocene/Oligocene Boundary in the Purcaret-Mesteacan Area (The Somes Plateau) - University of South...
https://pure.lib.usf.edu/en/publications/la-morphologie-de-lexo-et-lendokarst-du-plateau-purcaret-mesteaca/
La Morphologie de L'exo- et L'endokarst du Plateau Purcaret-Mesteacan (Plateau de Somes) -...
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