Warren, J.W. <br/><br/>
Understanding force 
<label>/ by </label> Warren, J.W. 
 - London  John Murray  1979 
 - vi, 64p.  ill.  22 cm. 
<br/><br/><label>ISBN: </label>0719535646 
<br/><br/><label>Dewey Class. No.: </label>531.1  / WAR