Pisarra, William T <br/><br/>
Small scale computer information system and geographic research (Pollen analysisi an example) 
William T Pisarra 
 - Minnesotta  University of Minnesota Press  1976 
 - 24p.  ill.  28cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer information systems<br/>Geographical research
<br/><br/><label>LC Class. No.: </label>IRA QA76.P754P5