Report Date
1-1972
Report Number
No. 321
Digital Object Identifier
http://dx.doi.org/10.13023/KTC.RR.1972.321
Repository Citation
Division of Research, Kentucky Department of Highways, "Subject Listing of Research Reports" (1972). Kentucky Transportation Center Research Report. 941.
https://uknowledge.uky.edu/ktc_researchreports/941
