Okhrana prirody
Subtitle: fakul'tativnyi kurs : posobie dlya uchashchikhsya
By: A.V. Mikheev [i dr.], pod redaktsiei K.V. Pashkanga.
Contributors: Pashkang, K. V.
Publisher: Prosveshchenie
Published: 1983
Place of publication: Moskva
Language: rus