Pred, Allan R Tornquist, Gunnar E <br/><br/>
Systems of cities and information flows 

 - Lund  The royal university of lund  1973 
 - 121 p.; 24cm. 
 - Lund studies in geography .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cities and towns<br/>City planning<br/>City system development<br/>Urban development<br/>Urban growth<br/>Urban systems<br/>Urbanization