Stephen King
Richard J. Salter
United States. National Transportation Safety Board.
Unknown Author
Arthur Garfield Bruce
National Research Council (U.S.). Highway Research Board. Group 2 -- Design and Construction of Transportation Facilities. Council
United States. General Accounting Office
Loder, Louis Francis Sir
Canada
Jon A Epps
William B. Ayars
International Seminar on Geotechnics in Pavement and Railway Design and Construction (2004 Athens, Greece)
R. I. T. Williams
Teeracharti Ruenkrairergsa.
Zoltan Muttnyansky
Wilson Gardner Harger
Highways Agency Staff
United States. Federal Highway Administration