AUTHOR
American Association of State Highway Officials
National Research Council (U.S.). Highway Research Board
United States. Bureau of Public Roads
4
United States. Federal Highway Administration
2
Assael, Henry
1
Battelle Memorial Institute
1
Bloom, Joel N.
1
Brinton, John H.
1
Byrd, Tallamy
1
Calcote, Lee R.
1
De Leuw, Cather & Company
1
Leisch, Jack E.
1
McMillan, Robert K.
1
Michie, Jarvis Dale
1
Moran, Patrick J.
1
Pfefer, Ronald C.
1
Rockwell, Thomas Hugh 1929-
1
Treiterer, Joseph
1
Tripler, Arch B.
1
U.S. Bureau of Public Roads
1