Williams, G. <br/><br/>
GEM user's guide / 
by G. Williams. 
 - Canberra :  CSIRO,  1985 
 - 17p. 
 - Technical memorandum /  85/16 .
 - Technical memorandum (Institute of Biological Resources (Australia).Division of Water and Land Resources ;  85/16 .
<br/><br/> Cover title :GEM user's manual. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEM (Computer program).<br/>National parks and reserves--Management--Computer programs.--Australia