Słowik, Mieczysław. “Assessment of the Viscoelastic Properties of Modified Bitumens Containing Styrene-Butadiene-Styrene Copolymer”. The Baltic Journal of Road and Bridge Engineering, vol. 10, no. 4, Dec. 2015, pp. 299-08, https://doi.org/10.3846/bjrbe.2015.38.