(NpROBLEMY OHRANY(B, (NRACIONALXNOGO ISPOLXZOWANIQ I REKULXTIWACII ^ERNOZEMOW (B:s (NsBORNIK NAU^NYH TRUDOW (B/s - (NkOWDA(B, (NwIKTOR aBRAMOWI^s; (NaKADEMIQ NAUK sssr(B.s (NnAU^NYJ SOWET PO PROBLEMAM PO^WOWEDENIQs ((NmOSKWA (B:s (NnAUKA(B,s, 1989)
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Keywords: (NpO^WY ^ERNOZEMNYE s -- (NoHRANAs; (NrEKULXTIWACIQ ZEMELXs -- (NsBORNIKIs; (N~ERNOZEMY (B- (NoHRANAs -- (NsBORNIKIs