Books by Keith C. Giles:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Giles, Keith C.: Accuracy of RDF position fixes in tracking constant level balloons (Bedford, Massachusetts : Geophysics Research Directorate, Air Force Cambridge Research Center, Air Research and Development Command, U.S. Air Force, 1958., 1958), also by William K. Widger, Roy E. Peterson, and Air Force Cambridge Research Center (U.S.). Geophysics Research Directorate (page images at HathiTrust)
Find more by Keith C. Giles at your library, or elsewhere.