Quaternary tufas of the Inglares River valley: An example of changing slope stepped fluvial system, Álava, N Spain - Larena, Zurine; Arenas, Concha; Ortiz, Jose Eugenio; Sanjuan, Josep; Pascual, Ana; Larraz, Mariano; Murelaga, Xabier; Baceta, Juan Ignacio (Geologica Acta, 2025)