Diatomic compounds in the soils of bee-farm and nearby territories in Samarskaya oblastN.Ye. Zemskova, A.I. Fazlutdinova, V.N. Sattarov and L.M. SafiullinаBIO Web Conf., 27 (2020) 00036DOI: https://doi.org/10.1051/bioconf/20202700036