Books by Gerald R. Karr:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Karr, Gerald R.: Environmental dynamics at orbital altitudes (National Aeronautics and Space Administration ;, 1976), also by United States National Aeronautics and Space Administration and University of Alabama in Huntsville (page images at HathiTrust)
Find more by Gerald R. Karr at your library, or elsewhere.