Millennial to orbital changes in precipitation during the last 30ky in central Bolivian Andes from speleothem records - Cruz, Francisco W; Apaéstegui, James; Sifeddine, A.; Cheng, Hai; Stríkis, Nicolás Misailidis; Guyot, Jean-Loup; Edwards, R. Lawrence (South American Symposium on Isotope Geology, 2014)