Pečiulienė, M. and Grigaliūnaitė‑Vonsevičienė, G. 2010. Research on Change of Natural Radionuclide Radiation Above Highways Pavement in Lithuania. The Baltic Journal of Road and Bridge Engineering. 5, 1 (Mar. 2010), 5–9. DOI:https://doi.org/10.3846/bjrbe.2010.01.