(NsPISOK SEMQN SBORA (B1974 (NGODA DLQ OBMENA (B/s - (NaKADEMIQ NAUK lATWssrs; (NbOTANI^ESKIJ SAD an lATWssrs ((NrIGA (B:s (NzINATNE(B,s, 1975)
Keywords: (NsELXSKOE HOZQJSTWO (B- (NlATWIJSKAQ ssr (B- (NsPISOK SEMQN SBORA (B1974 (NGODA DLQ OBMENAs