1. SIMPLE AND COST-EFFECTIVE MULTISPECTRAL IMAGING SYSTEM FOR REFLECTANCE MEASUREMENT USING LED LIGHT SOURCES AND INTEGRATING SPHERE. Authors: CSONGOR MÁTYÁS, EUGEN DARVASI.2. CAN GEOMETRICAL DISTORTIONS MAKE A LACCASE CHANGE COLOR FROM BLUE TO YELLOW?. Authors: RADU SILAGHI-DUMITRESCU, AUGUSTIN C. MOȚ, CSONGOR MÁTYÁS, ALEXANDRU LUPAN.