G Engel

VISION IN VEHICLES. LITERATURE STUDY. THE INFLUENCE OF COLOURED WINDSCREENS ON THE VISION OF DRIVERS IN DARKNESS

K Burow, R Albrecht, G Engel, 1979 .

Cephalometric and visual norms for a Japanese population.

G Engel, B M Spolter, G. Engel, 1981, American journal of orthodontics.