University of Greifswald, Greifswald, Germany; National Museum of Natural History, Smithsonian Institution, Human Origins Program, Washington, DC, United States
National Museum of Natural History, Smithsonian Institution, Human Origins Program, Washington, DC, United States
Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, DC, United States
Berkeley Geochronology Center, Berkeley, CA, United States