por National Research. Transportation Research Board (E.U.A.).
por E.U.A. National Research Council. Highway Research Board.
por Tourenq, Claude | Denis, Andre, coaut | Laboratoire Central des Ponts et Chaussées (Francia).
por Silveira, A. Ferreira da, coaut | Laboratorio Nacional de Enghenaria Civil (Portugal).
por National Research Council. Transportation Research Board (E-.U.A.).
por National Research Council. Highway Research Board (E.U.A.).
por West, T.R | Johnson, R.B., coaut | E.U.A. National Research Council. Highway Research Board.