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An integrated Mars transportation system [microform] : final design report for the SIMPSONS project.
- Text
- [Washington, DC : National Aeronautics and Space Administration ; Springfield, Va. : National Technical Information Service, distributor, 1992]
- 1992
Relationship between forest clearing and biophysical factors in tropical environments [microform] : implications for the design of a forest monitoring approach / Steven A. Sader and Armond T. Joyce.
- Text
- NSTL, MS : National Aeronautics and Space Administration, National Space Technology Laboratories, Earth Resources Laboratory, [1984]
- 1984
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