@article{PA200511-25-100.pdf, <br>author="J. Yellen, A. Brooks, D. Helgren, M. Tappen, S. Ambrose, R. Bonnefille, J. Feathers, G. Goodfriend, K. Ludwig, P. Renne, and K. Stewart",<br>title="The Archaeology of Aduma Middle Stone Age Sites in the Awash Valley, Ethiopia.",<br>journal="PaleoAnthropology",<br>year="2005",<br>volume="2005",<br>pages="25-100"<br>}