Worboys, Michael F. <br/><br/>
GIS :  a computing perspective / 
by Michael F. Worboys 
 - London :  Taylor & Francis,  1995 
 - xiv, 376 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0748400648  RM268.06 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geographic information systems