1
The physics and chemistry of color : the fifteen causes of color /
Book
...PEG - Optics...
Table of Contents 
2
Colour and optical properties of materials : an exploration of the relationship between light, the optical properties of materials and colour /
Book
3
Licht und Farbe in der Natur.
Book
...PEG - Optics...
4
Licht und Farbe : physikal. Grundlagen u. Anwendungen = Light and colour /
Book
...PEG - Optics...