mqdefault.jpg。ELAN Field Surveying Computation Notebooks, 4.63。洋書 Terrain Analysis Shiprock, NM-AZ-UT-CO (1959, 250000。GISと関連技術を用いた地形分析の唯一の参考書。。Title:Terrain Analysis-Principles and ApplicationsEditors: John P. Wilson, John C. GallantPublisher: John Wiley & Sons,inc.