Books by Working Group on Extraterrestrial Resources:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Working Group on Extraterrestrial Resources: Fifth annual meeting, Working Group on Extraterrestrial Resources : March 1, 2, & 3, 1967, Marshall Space Flight Center, Huntsville, Alabama (National Aeronautics and Space Administration, 1967), also by United States National Aeronautics and Space Administration and George C. Marshall Space Flight Center (page images at HathiTrust)- Working Group on Extraterrestrial Resources: Proceedings of the annual [meeting of the] Working Group on Extraterretrial Resources. (Scientific and Technical Information Division, Office of Technology Utilization, National Aeronautics and Space Adminsitration, 1963) (page images at HathiTrust)
- Working Group on Extraterrestrial Resources: Proceedings of the annual meeting. (Scientific and Technical Information Division, Office of Technology Utilization, National Aeronautics and Space Administration, 1963), also by United States. National Aeronautics and Space Administration. Scientific and Technical Information Division (page images at HathiTrust)
- Working Group on Extraterrestrial Resources: Proceedings of the Meeting (page images at HathiTrust)
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