T. D. de Wit

The significance of event information for 6- to 16-month-old infants' perception of containment.

A. Smitsman, P. Dejonckheere, Ad W Smitsman, 2009, Developmental psychology.

Luminance edges are not necessary for visual completion.

Rob van Lier, C. M. D. de Weert, R. van Lier, 2005, Perception & psychophysics.

Facing threat: Infants' and adults' visual scanning of faces with neutral, happy, sad, angry, and fearful emotional expressions

Sabine Hunnius, Claes von Hofsten, Sven Vrins, 2011, Cognition & emotion.