Symmetry Is the sine qua non of Shape. - Yunfeng Li; Tadamasa Sawada; Yun Shi; Robert M. Steinman; Zygmunt Pizlo (Shape Perception in Human and Computer Vision, 2013)

Making a Machine That Sees Like Us. - Zygmunt Pizlo; Yunfeng Li; Tadamasa Sawada; Robert M. Steinman (Oxford University Press, 2014)