(1969). Control of pavement slipperiness, Asphalt pavement cracking: Proceedings of the western summer meeting held August 12-13, 1968, Denver, Colorado. Washington: Highway Research Board.
Παραπομπή Chicago StyleControl of Pavement Slipperiness, Asphalt Pavement Cracking: Proceedings of the Western Summer Meeting Held August 12-13, 1968, Denver, Colorado. Washington: Highway Research Board, 1969.
Παραπομπή MLAControl of Pavement Slipperiness, Asphalt Pavement Cracking: Proceedings of the Western Summer Meeting Held August 12-13, 1968, Denver, Colorado. Washington: Highway Research Board, 1969.
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