Ulmaceae - Betulaceae - d; (NvILIN(B, (Ns(B.(Ng(B.s ((Nl(B. :s (NnAUKA(B. (NlENINGR(B. (NOTD(B-(NNIE (B,s, 1982)
Keywords: (NpALEONTOLOGIQs; (NcWETKOWYE RASTENIQs