TY - RPRT TI - 18O 16O ratios in cherts associated with the saline lake deposits of East Africa AU - J. R. O’Neil AU - R. L. Hay PY - 1973 DO - 10.1016/0012-821x(73)90126-x UR - https://pubs.usgs.gov/publication/70010292 ID - 70010292 ER -