Australian Road Research Board, Unisearch Ltd, University of New South Wales. Dept. of Civil Engineering Materials, & Ingles, O. G. (1975). The efficient use of bitumens, asphalts and tars as paving and construction materials, Sydney, December 2-3, 1974. University of New South Wales and Australian Road Research Board.

Australian Road Research Board, Unisearch Ltd, University of New South Wales. Dept. of Civil Engineering Materials, and O. G. Ingles. The Efficient Use of Bitumens, Asphalts and Tars as Paving and Construction Materials, Sydney, December 2-3, 1974. [Sydney]: University of New South Wales and Australian Road Research Board, 1975.

Australian Road Research Board, et al. The Efficient Use of Bitumens, Asphalts and Tars as Paving and Construction Materials, Sydney, December 2-3, 1974. University of New South Wales and Australian Road Research Board, 1975.