LOPEZ-VELAZQUEZ, Laura Cristina et al. Paleoceanographic and paleoclimatic reconstruction based on marine palynomorphs in the period 1811-1907 CE in the Magdalena Basin, Baja California Sur, Mexico. Cienc. mar [online]. 2019, vol.45, n.3, pp.121-136.  Epub July 30, 2021. ISSN 0185-3880.