| 2008 | ||
|---|---|---|
| 2 | Stephen C. Guptill: Fundamentals of Spatial Data Quality - Edited by RODOLPHE DEVILLERS AND ROBERT JEANSOULIN. T. GIS 12(1): 161-162 (2008) | |
| 1979 | ||
| 1 | Stephen C. Guptill: The Development And Use Of Digital Cartographic Data Bases. Data Base Techniques for Pictorial Applications 1979: 65-77 | |