Books by Inc IFR Applications:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
IFR Applications, Inc: Minimal luminance requirement for official highways signs (Federal Highway Administration ;, 1986), also by Douglas J. Mace and United States Federal Highway Administration (page images at HathiTrust)- IFR Applications, Inc: Trade-off between delineation and lighting on freeway interchanges. (U.S. Department of Transportation, Federal Highway Administration, Research, Development, and Technology, Turner-Fairbank Highway Research Center ;, 1989), also by Robert S. Hostetter and United States. Federal Highway Administration. Office of Safety and Traffic Operations Research and Development (page images at HathiTrust)
Find more by Inc IFR Applications at your library, or elsewhere.