Jan Chocholac, Jaroslava Hyrslova, Tomas Kucera, Stanislav Machalik and Roman Hruska (2019) “Freight Transport Emissions Calculators as a Tool of Sustainable Logistic Planning”, Communications - Scientific letters of the University of Zilina, 21(4), pp. 43-50. doi: 10.26552/com.C.2019.4.43-50.