Leo Gumilev <br/><br/>
ETHNOGENESIS AND THE BIOSPHERE 

 -  Progress Publisers.  1990/01/01 
 -  381 
<br/><br/><label>Source: </label> Purchase  Nil  Prabhath Books 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Ethnology
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ethnology
<br/><br/><label>Dewey Class. No.: </label>572