National Research Council. Highway Research Board. Annual Meeting. (1958). Asphalt-soil stabilization: Presented at the 37th annual meeting, January 6-10, 1958. Highway Research Board.
Dyfyniad Arddull ChicagoNational Research Council. Highway Research Board. Annual Meeting. Asphalt-soil Stabilization: Presented at the 37th Annual Meeting, January 6-10, 1958. Washington, D.C.: Highway Research Board, 1958.
Dyfyniad MLANational Research Council. Highway Research Board. Annual Meeting. Asphalt-soil Stabilization: Presented at the 37th Annual Meeting, January 6-10, 1958. Highway Research Board, 1958.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.