(1990). DLGGSM a program to load data from 1: 24,000-scale and 1:100,000-scale topographic maps stored in the Digital Line Graph-3 (optional) format into a GSMAP data base / by Gary I. Selner and Gregory N. Green. [microform].
Dyfyniad Arddull ChicagoDLGGSM a Program to Load Data from 1: 24,000-scale and 1:100,000-scale Topographic Maps Stored in the Digital Line Graph-3 (optional) Format into a GSMAP Data Base / by Gary I. Selner and Gregory N. Green. [microform]. 1990.
Dyfyniad MLADLGGSM a Program to Load Data from 1: 24,000-scale and 1:100,000-scale Topographic Maps Stored in the Digital Line Graph-3 (optional) Format into a GSMAP Data Base / by Gary I. Selner and Gregory N. Green. [microform]. 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.