Books by George A. Travers:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Travers, George A.: Laser ceilometers : results of comparison testing of an erbium and a ruby laser ceilometer with a standard rotating beam ceilometer (L.G. Hanscom Field, Bedford, Massachusetts : Air Force Cambridge Research Laboratories, Air Force Systems Command, United States Air Force, 1973., 1973), also by Eugene Y. Moroz, Clyde L. Lawrance, and Air Force Cambridge Research Laboratories (U.S.) (page images at HathiTrust)- Travers, George A.: Measurement of cloud height : evaluation of ranging and triangulation techniques for determination of cloud height at airfields (Air Force Cambridge Research Laboratories, Air Force Systems Command, United States Air Force, 1975), also by Eugene Y. Moroz and Air Force Cambridge Research Laboratories (U.S.) (page images at HathiTrust)
Find more by George A. Travers at your library, or elsewhere.