@misc{indiciae98fb6e714830, title = {Uranium-series dating of lacustrine limestones from pan deposits with final Acheulian assemblage at Rooidam, Kimberley district, South Africa}, author = {Barney J. Szabo and K.W. Butzer}, year = {2017}, doi = {10.1016/0033-5894(79)90007-3}, url = {https://pubs.usgs.gov/publication/70012469}, note = {Source identifier: 70012469} }