Palabras claves: Backset lamination, dune bedforms, pyroclastic currents, stoss-aggradation, Tungurahua
Autores: Bouysson M., Chaffaut Q., Dingwell D.B., Douillet G.A., Gegg L., Hoelscher I., Julien Bernard, Kueppers U., Mato C., Ritz V.A., Schlunegger F., Witting P.