Velappan, V. <br/><br/>
Influences of natural factors on economic development of Siberia / 
V. Velappan 
 - New Delhi :  Jawaharlal Nehru University,  1977 
 - ii, 111p. : 
<br/><br/>
<br/><br/><label>ISBN: </label>DissISBN2234 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Dissertation
<br/><br/><label>Dewey Class. No.: </label>338.90575  / In