Hansen , Pierre <br/><br/>
Systems of cities and facility location by P .Hansen?[et al 
Pierre Hansen  
 - 121p 
<br/><br/><label>ISBN: </label>3718604035 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Space In Economics -Mathematical Modes
<br/><br/><label>LC Class. No.: </label>HT         391.3    .S97      C.1