Holocene changes in monsoon precipitation in the Andes of NE Peru based on 'delta''ANTPOT. 18 O' speleothem records - Bustamante, Maria Gracia; Cruz, Francisco W; Vuille, Mathias; Apaéstegui, James; Stríkis, Nicolás Misailidis; Panizo, G.; Novello, Valdir F.; Deininger, Michael; Sifeddine, A.; Cheng, Hai; Moquet, Jean-Sébastien; Guyot, Jean-Loup; et al. (Quaternary Science Reviews, 2016)