1. Problems of the secondary use of glass cullet and ways to solve them;Ketova,2001
2. Cullet as raw materials: preparation of a returnable and imported cullet;Jene,2008
3. Modelling a multicomponent radiation source with controllable chromaticity
4. Measurement of the spectral characteristics and color parameters of flat objects;Gorbunova,2015
5. Gonzalez R.C. and Woods R.E., Prentice-Hall, Digital Image Processing 3rd Edition, 166–173 (2008).