Astanin, L. P.
Conservation of nature / L.P. Astanin, K.N. Blagosklonov ; [translated from the Russian by Sergeĭ Sosinski]. - Moscow : Progress Publishers, c1983. - 148 p. ; 21 cm.
Nature conservation.
333.72 / ASC
Conservation of nature / L.P. Astanin, K.N. Blagosklonov ; [translated from the Russian by Sergeĭ Sosinski]. - Moscow : Progress Publishers, c1983. - 148 p. ; 21 cm.
Nature conservation.
333.72 / ASC