Environmental system research institute, inc   <br/><br/>
PC data conversion installation guide 

 - Environmental system research institute, inc   380 new york street rediands, California   1990 
 -  fig. 
<br/><br/><label>Nat. Bib. No.: </label>6901 
<br/><br/><label>Subjects--Index Terms: </label>convert polygon  
<br/><br/><label>Universal Decimal Class. No.: </label>528.923  / ARC