Tomlinson, R. F. <br/><br/>
Computer handling of geographical data :  an examination of selected geographic information systems / 
R. F. Tomlinson, H. W. Calkins and D. F. Marble 
 - Paris :  U N E S C O,  1976 
 - 214 p. ;  28 cm. 
 - Natural resources research ;  no. 13 .
<br/><br/><label>ISBN: </label>9231013408 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography--Data processing
<br/><br/><label>Dewey Class. No.: </label>333.7072