Books by International Workshop on Earth Resources Survey Systems:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
International Workshop on Earth Resources Survey Systems, (1971 : Washington, D.C.): Proceedings. ([U.S. Office of Space Science and Applications]; for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1900), also by United States National Aeronautics and Space Administration (page images at HathiTrust)
Find more by International Workshop on Earth Resources Survey Systems at your library, or elsewhere.