(NgEOGRAFI^ESKIE ASPEKTY OHRANY PRIRODY (B/s - (NmILANOWA(B, (NeLENA wALENTINOWNAs; (NrQB^IKOW(B, (NaLEKSANDR mAKSIMOWI^s ((NmOSKWA (B:s (NmYSLX (B,s, 1979)
Keywords: (NgEOGRAFIQs