Richard Morrill <br/><br/>
Spatial Diffusion 

 - California  Sage Publications Limited  1988 
 - 86p 
<br/><br/>Richard Morrill; Gray L Gaile & Grant I Thrall: Spatial Diffusion.  California.  Sage Publications Limited, 1988. 0-8039-2852-1--(152.142MOR)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-8039-2852-1 
<br/><br/><label>Dewey Class. No.: </label>152.142  / MOR