ORAZBAYEVA, D.; KARATAYEVA, U.; KENESSOV, B.; BEISEMBAYEVA, K.; MEYRAMKULOVA, K. Concentrations of benzene, toluene, ethylbenzene and o-xylene in soil and atmospheric precipitations in the cities of Almaty and Astana. Chemical Bulletin of Kazakh National University, n. 2, p. 34-44, 1 jul. 2016.