Induration of C horizons by allophane and Imogolite in costan rican volcanic soils Authors Jongmans, Ag Denaix, Laurence Van Oort, Folkert Nieuwenhuyse, A. Publication Date Jan 01, 2000 Source HAL-Descartes Keywords Horizon Du Sol Pedologie Trait Morphologique Du Sol [Sdv]Life Sciences [Q-Bio] [Sde]Environmental Sciences Language English License Unknown External links Full record on hal.inrae.fr