Hay, Alan. <br/><br/>
Transport for the space economy :  a geographical study / 
Alan Hay. 
 - London :  Macmillan,  1973. 
 - xii, 192 p. :  ill. 
<br/><br/><label>ISBN: </label>333114183 
<br/><br/><label>LCCN: </label>44041674     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Transportation