Tykhonova, O., Kyrylchuk, K. and Shapoval , V. (2020) “Investigation of cross content of nickel and arsene in motorway trains of Sumy”, Bulletin of Sumy National Agrarian University. The series: Agronomy and Biology, 40(2), pp. 62-71. doi: 10.32782/agrobio.2020.2.8.