TY - RPRT TI - Calibrating Late Quaternary terrestrial climate signals: radiometrically dated pollen evidence from the southern Sierra Nevada, USA AU - Ronald J. Litwin AU - Joseph P. Smoot AU - Nancy J. Durika AU - George I. Smith PY - 1999 DO - 10.1016/s0277-3791(98)00111-5 UR - https://pubs.usgs.gov/publication/70021916 ID - 70021916 ER -