Clifford Richardson
Mastic Asphalt Council and Employers Federation.
Teh Fu Yen
Asphalt Institute.
National Research Council (U.S.). Highway Research Board.
Isidore Huguenet
Gheorghe Gheorghiu
Unknown Author
Winston W. Wiltshire
Asphalt Institute
National Research Council (U.S.) Transportation Research Board
Kun Zhang
National Research Council (US)
Warren Brothers Company
Bernard Elbert Gray
R.-F Simonin