Cristino J. Dabrio, Cari Zazo, Javier Lario, Jose Luis Goy, Francisco J. Sierro, Francisco Borja, Jose Angel Gonzalez, and Jose Abel Flores. “Sequence Stratigraphy of Holocene Incised-Valley Fills and Coastal Evolution in the Gulf of Cadiz (southern Spain)”. Netherlands Journal of Geosciences, vol. 77, Jan. 1999, pp. 263- 281, https://njgjournal.nl/index.php/njg/article/view/12249.