Books by H. G. Aas:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Aas, H. G.: Nondestructive holographic techniques for structures inspection (Wright-Patterson Air Force Base, Ohio : Air Force Materials Laboratory , Air Force Systems Command, United States Air Force, 1974., 1974), also by Robert K. Erf, K. A. Stetson, R. M. Gagosz, J. P. Waters, Air Force Materials Laboratory (U.S.), and United Aircraft Corporation. Research Laboratories (page images at HathiTrust)- Aas, H. G.: Nondestructive holographic techniques for structures inspection (Wright-Patterson Air Force Base, Ohio : Air Force Materials Laboratory , Air Force Systems Command, United States Air Force, 1973., 1973), also by Robert K. Erf, G. Whitnery, K. A. Stetson, R. M. Gagosz, J. P. Waters, Air Force Materials Laboratory (U.S.), and United Aircraft Corporation. Research Laboratories (page images at HathiTrust)
Find more by H. G. Aas at your library, or elsewhere.