Distribution of magnetic susceptibility of surface dust in Xining City and its indicative significance to heavy metal pollutionQi Zhang, E Chongyi, Baji Xian, Qiang Peng, Zhaokang Zhang and Shuaiqi ZhangE3S Web of Conf., 536 (2024) 03025DOI: https://doi.org/10.1051/e3sconf/202453603025