Dueholm, Keld S books & textbook
Geologic Mapping of Tunnels Using Photogrammetry--Camera and Target Positioning: Usgs Open-File Report 90-49
Coe, Jeffrey A Dueholm, Keld S U S Department of the Interior, United
Bibliogov /2013-02-22 Paperback / 22 Pages
isbn-10: 1288793049 / isbn-13: 9781288793044
