Stupen, M. ., N. . Stupen, Z. . Ryzhok, and O. . Stupen. “Application of Satellite Monitoring Data for Winter Cereals Growing in the Lviv Region”. Geomatics and Environmental Engineering, vol. 14, no. 4, Nov. 2020, pp. 69-80, doi:10.7494/geom.2020.14.4.69.