TY - GEN AU - Dueñas,Hernando ED - International symposium on former ENSO phenomena in western South America: records of El Niño events TI - The paleo-ENSO record in the lower Magdalena basin, Colombia KW - Sédimentation KW - ENSO KW - Quaternaire KW - Colombie KW - Bassin Magdalena N1 - 2 exemplaires; bibliogr. p. 85 ER -