Imura T, Yamaguchi MK. , Kanazawa S, Shirai N, Otsuka Y, Tomonaga M, Yagi A (2008) 
Infants' sensitivity to shading and line junctions.

Vision Research, 48, 1420-1426

Imura T, Yamaguchi MK. , Kanazawa S, Shirai N, Otsuka Y, Tomonaga M, Yagi A (2006) 
Perception of motion trajectory of object from the moving cast shadow in infants

Vision Research, 46, 652-657