Haynes Kingsley E <br/><br/>
Gravity and spatial interaction models 

 - Beverly  Hills Sage Publications          1984 
 - 88p  cm. 
 - Scientific Geography. 2. .
<br/><br/><label>ISBN: </label>0803923260 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Urban Geography
<br/><br/><label>Dewey Class. No.: </label>U43:(B), M4