Molluscan and sedimentological sequences of the late Quaternary deposits of Morsott region (NE Algeria) and their paleoenvironmental implicationSmaine Chellat, Lotfi Toubal, Abderrezak Djerrab, Ahcene Bourefis, Belhadj Hamdi-Aissa and Sihem Salmi-laouarBSGF - Earth Sci. Bull., 189 4-6 (2018) 17DOI: https://doi.org/10.1051/bsgf/2018016