BĂLĂNICĂ DRAGOMIR, MARIANA CARMELIA, et al. “SEASONAL AND SPATIAL VARIATION OF PM10 IN AN URBAN AREA FROM ROMANIA”. Journal of Vasyl Stefanyk Precarpathian National University, vol. 6, no. 3-4, Dec. 2019, pp. 7-14, doi:10.15330/jpnu.6.3-4.7-14.