Conservation of nature
By: L.P. Astanin, K.N. Blagosklonov ; [translated from the Russian by Sergeĭ Sosinski].
Contributors: Blagosklonov, K. N. 1910-1985.
Publisher: Progress Publishers
Published: 1983
Place of publication: Moscow
Language: eng; rus
Number of pages: 148
Subjects: Nature conservation