BERG, L.S. <br/><br/>
Natural regions of the U.S.S.R. / 
By L.S.Berg; translated by Olga Adler Titelbaum ; edited by John A.Morrison, C.C.Nikiforoff 
 - New York  The Macmillan  1950 
 - xxxi, 436 p. 
<br/><br/> Includes index. 
<br/><br/><label>Dewey Class. No.: </label>914.7  / BER