Urovni okhrany zhivoĭ prirody
By: A.V. I͡Ablokov, S.A. Ostroumov ; otvetstvennyĭ redaktor N.G. Khrushchov.
Series: Serii͡a "Chelovek i okruzhai͡ushchai͡a sreda"
Publisher: "Nauka"
Published: 1985
Place of publication: Moskva
Language: rus
Number of pages: 174