Operator Behavior and Supervisory Control Systems in the Chemical Process Industry. - H. C. M. Hoonhout; Harm J. G. Zwaga (HCI (1), 1993)

Developing Process Control Systems: Procedural Requirements in Design. - Harm J. G. Zwaga (HCI (1), 1993)

Visual conspicuity of objects in complex scenes. - Theo Boersema; Harm J. G. Zwaga (Human Vision and Electronic Imaging, 2000)