H. Widdel

Operational Problems in Analysing Eye Movements

H. Widdel, 1984 .

Sebew — An Evaluation Method for User Interfaces of Command and Control Systems

F. Motz, Heino Widdel, H. Widdel, 2003 .

Vigilance Performance When Using Colour on Electronic Displays

Heino Widdel, Claudius Pfendler, H. Widdel, 1986 .

Color in Electronic Displays

Heino Widdel, David L. Post, H. Widdel, 2013, Defense Research Series.