Szopa, P. et al. 2015. The Use of Colour Bispectral Measurement in Commodity Science. Krakow Review of Economics and Management/Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie. 924 (Dec. 2015), 59–74. DOI:https://doi.org/10.15678/ZNUEK.2013.0924.05.