Proceedings.

APA Citation

International Workshop on Earth Resources Survey Systems, (. : Washington., United States. National Aeronautics and Space Administration. (19). Proceedings. Washington: [U.S. Office of Space Science and Applications]; for sale by the Supt. of Docs., U.S. Govt. Print. Off.

MLA Citation

International Workshop on Earth Resources Survey Systems, (1971 : Washington, D.C.), and United States. National Aeronautics and Space Administration. Proceedings. Washington: [U.S. Office of Space Science and Applications]; for sale by the Supt. of Docs., U.S. Govt. Print. Off, 19.