Towards a framework of methods on UI style guides. - Pieter Willems; Jouke C. Verlinden; Pieter Jan Troost (CHI Extended Abstracts, 2000)

High-speed VGA resolution CMOS image sensor with global shutter. - Pieter Willems; Guy Meynants; Guido Vanhorebeek; Cheng Ma (Sensors, Cameras, and Systems for Industrial and Scientific Applications, 2012)