Astanin, L. P. <br/><br/>
Conservation of nature /  
L.P. Astanin, K.N. Blagosklonov 
 - Moscow :    Progress Publishers,    1983 
 - 148 p. :    ill. ;    21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Nature conservation
<br/><br/><label>Dewey Class. No.: </label>333.95