GSDIG version 2.0; a program to determine latitude/longitude coordinates, and GSDXY version 1.0, a counterpart program to determine X, Y coordinates, using a microcomputer (IBM PC or compatible) and digitizer

1988 ◽  
Author(s):  
Gary I. Selner ◽  
Cole L. Smith ◽  
Richard B. Taylor
Keyword(s):  
1994 ◽  
Vol 12 (1) ◽  
pp. 149-152 ◽  

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