Choudhary, R., Kumar, A., Murkute, K. “Properties of Waste Polyethylene Terephthalate (PET) Modified Asphalt Mixes: Dependence on PET Size, PET Content, and Mixing Process”, Periodica Polytechnica Civil Engineering, 62(3), pp. 685–693, 2018. https://doi.org/10.3311/PPci.10797