Source: https://www.researchgate.net/profile/Christine-Bertier/publication/268602647_Dynamique_sedimentaire_des_vasieres_intertidales_de_l'estuaire_de_la_Loire/links/55f7df9208aeba1d9eff4622/Dynamique-sedimentaire-des-vasieres-intertidales-de-lestuaire-de-la-Loire.pdf