Pryor,John H. <br/><br/>
Jeography ,technology and war 

 - New York  Cambridge university press  1992 
 - 238p. 
<br/><br/><label>ISBN: </label>0-521-42892-0 
<br/><br/><label>Dewey Class. No.: </label>387.5091638     Pry.   N2