c - (Npanas`k(B,(Nb(B. (Nq(B.s (2013)
Keywords: (Nwernadskij w(B. (Ni(B.s -- (NSOW(B. (NU^ENYJ(B, (NESTESTWOISPYTATELX(B, (NOSNOWATELX GEOHIMIIs -- 1863-1945; (Nnoosferas