Crash cushions of waste materials /

by Marquis, E. L, Marquis, E. L, Buth, Eugene, Hirsch, T. J (Teddy James)
Published 1975

Selection of safe roadside cross sections /

by Weaver, Graeme D, Weaver, Graeme D, Marquis, E. L., Olson, Robert M.
Published 1975