TY - JOUR<br>AU  - John A.J. Gowlett<br>T1  - 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>JO  - PaleoAnthropology<br>Y1  - 2011<br>VL  - 2011<br>SP  - 174<br>EP  - 187<br>ER -