References by Author or Types

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Journal Articles by S. Yirga

J. Kappelman , C. C. Swisher III , J. G. Fleagle , S. Yirga , T. M. Bown , and M. Feseha
Age of Australopithecus afarensis from Fejej, Ethiopia
Journal of Human Evolution, 30(2), 139-146, 1996

J. G. Fleagle , T. D. Rasmussen , S. Yirga , T. M. Bown , and F. E. Grine
New hominid fossils from Fejej, Southern Ethiopia
Journal of Human Evolution, 21, 145-152, 1991