(NkUKURUZA (B:s (NDLQ OBMENA OPYTOM DWERI [IROKO OTKRYTY (B/s - (N{EW^ENKO(B, (NaNDREJ sTEPANOWI^s ((NmOSKWA (B:s (NsELXHOZGIZ(B,s, 1960)
Keywords: (NsELXSKOE HOZQJSTWOs; (NROLX KUKURUZYs; (NWYRA]IWANIE KUKURUZYs