@article{PA20090169.pdf, <br>author="Susan Cachel",<br>title="Gilbert, W.H. and B. Asfaw (eds.) -- Homo erectus. Pleistocene Evidence from the Middle Awash, Ethiopia.",<br>journal="PaleoAnthropology",<br>year="2009",<br>volume="2009",<br>pages="169-170"<br>}