Balym, Y., Vуsotska O., A. Pecherska, and Y. Bespalov. “Mathematical Modeling of Systemic Colorometric Parameters Unmasking Wild Waterfowl”. Eastern-European Journal of Enterprise Technologies, vol. 5, no. 2 (89), Oct. 2017, pp. 12-18, doi:10.15587/1729-4061.2017.110107.