Gwilliam, K M Mackie, P J <br/><br/>
Economics and transport policy 

 - London  George Allen and Unwin  1975 
 - 392p.; 22cm. 
<br/><br/><label>ISBN: </label>43800203 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air trasnport<br/>Pricing<br/>Transport policy<br/>Transportation