TY - RPRT TI - The Sima de los Huesos hominids date to beyond U/Th equilibrium (>350 kyr) and perhaps to 400-500 kyr: New radiometric dates AU - J. L. Bischoff AU - D.D. Shamp AU - Arantza Aramburu AU - J.L. Arsuaga AU - E. Carbonell AU - Jose Maria Bermudez de Castro PY - 2003 DO - 10.1006/jasc.2002.0834 UR - https://pubs.usgs.gov/publication/70025902 ID - 70025902 ER -