@article{PA20110174.pdf, <br>author="John A.J. Gowlett",<br>title="Special Issue: Innovation and the Evolution of Human Behavior.The Vital Sense of Proportion: Transformation, Golden Section, and 1:2 Preference in Acheulean Bifaces.",<br>journal="PaleoAnthropology",<br>year="2011",<br>volume="2011",<br>pages="174-187"<br>}