Walker, P. A. <br/><br/>
Computerized choropleth mapping of australian resources data 

<br/><br/> Sobretiro de: Cartography 13 (4): 243-252, 1984 
<br/><br/><label>LCCN: </label>51152 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mapas.<br/>Recursos naturales.