TY - RPRT TI - Dating lacustrine episodes in the eastern Sahara by the epimerization of isoleucine in ostrich eggshells AU - G. H. Miller AU - F. Wendorf AU - R. Ernst AU - R. Schild AU - A.E. Close AU - I. Friedman AU - H.P. Schwarcz PY - 1991 DO - 10.1016/0031-0182(91)90043-q UR - https://pubs.usgs.gov/publication/70016802 ID - 70016802 ER -