Vorobjovas, Viktoras, Algirdas Motiejūnas, Tomas Ratkevičius, Alvydas Zagorskis, and Vaidotas Danila. 2017. “Analysis of Calculation Methods for Life Cycle Greenhouse Gas Emissions for Road Sector”. International Conference “Environmental Engineering” 10 (January). https://doi.org/10.3846/enviro.2017.156.