Wright, G. L. <br/><br/>
Collection of ground reference data in support of thematic mapping of earth surface features / 
G. L. Wright. 
 -  1981. 
 - p. 86-93. 
 - Cartography ;  v. 12, no. 2. .
<br/><br/> Author a member of Dept. of Surveying, Unitech.  Photocopy from : Cartography ; v. 12, no. 2. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Remote sensing.<br/>Spectroradiometer.<br/>Cartography.