TY  - BOOK
ED  - American Society of Photogrammetry.
ED  - American Congress on Surveying and Mapping.
ED  - Digital Terrain Models Symposium
TI  - Proceedings of the Digital Terrain Models (DTM) SymposiumSt Louis, Missouri, May 9-11, 1978
PY  - 1978///
CY  - Falls Church, Virginia
PB  - American Society of Photogrammetry
KW  - Aerial photogrammetry
KW  - Cartography
ER  -