AASHO road test. Report 6 : Special studies / by the Highwa-y Research Board of the NAS-NRC Division of Engineering and- Industrial Research.
AASHO road test. Report 6 : Special studies / by the Highwa-y Research Board of the NAS-NRC Division of Engineering and- Industrial Research.
- Washington, D.C. : HRB
- 131 p.
- Special report ; 61F / Highway Research Board .