Soibelzon, E., Tonni, E.P. and Bidegain, J.C. 2008. Chronology, magnetostratigraphy and biostratigraphic characteristics of the Ensenadense (Lower-Middle Pleistocene) in the city of Buenos Aires. Revista de la Asociación Geológica Argentina. 63, 3 (Sep. 2008), 421-429.