Chisholm, Michael <br/><br/>
Freight flows and spatial aspects of the British economy / 
by Michael Chisholm and Patrick O'Sullivan 
 - London :  Cambridge University Press,  1973 
 - x,141 p. :  ill. ;  24 cm. 
 - Cambridge geographical studies ;  4 .
<br/><br/>Bibliography : p.135-137 
<br/><br/><label>ISBN: </label>0521086728 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freight and freightage--Great Britain<br/>Freight and freightage--Mathematical models