{"id":"001031170","type":"book","title":"Radiometric Dating and Tuff Mineralogy of Omo Group Deposits","publisher":"The University of Chicago Press","publisher-place":"Chicago/London","pages":"50-63","container-title":"Earliest Man and Environments in the Lake Rudolf Basin : Stratigraphy, Paleoecology, and Evolution","author":[{"family":"Brown","given":"F. E."}],"issued":{"raw":"1976"}}