Kerr R.E. Au. <br/><br/>
Law of the air 
Kerr R.E. Au. 
 - London  Stevens & Sons England       1932 
 - 588p  cm. 
<br/><br/><label>Standard No.: </label>20,752 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Z1:218, G2