Keenan Peter B. <br/><br/>
Air law 

 - 3rd 
 - London  Butterworths London         1966 
 - 736p  cm. 
 -  Vol. 1 .
<br/><br/><label>Standard No.: </label>15,442 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X43:Z3, K6.1