https://123dok.net/document/y6e7r4nz-tectonique-salifere-et-deformation-gravitaire-de-la-marge-passive-sud-gabonaise-de-l-albien-au-turonien-secteur-de-mayumba-salt-tectonic-and-thin-skinned-deformation-in-south-gabon-passive-margin-during-the-albian-turonian-mayumba-area.html