@article{article, title = {Biocoenoses à méduses du Permien français (bassin de Saint-Affrique, Massif Central) - Medusa biocoenoses from the French Permian (Saint-Affrique basin, Massif Central)}, author = {}, year = {1996}, journal = {Geobios (Lyon)}, number = {Lyon}, pages = {379-400}, howpublished = "\url{https://eurekamag.com/research/074/251/074251786.php}" }