Visual aids  guidelines for preparation 

 - Perth, W.A.  Western Australian Dept. of Mines for Government Geologists Conference through the Conference of Chief Draftsmen and Chief Cartographers  1982 
 - 45p.  ill.  30cm 
<br/><br/>Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication--Audio-visual aids<br/>Transparencies<br/>Slides (Photography)
<br/><br/><label>Dewey Class. No.: </label>001.55  / 34