R. Ashworth
- (1970): Traffic Delays at Priority Type Intersections. Dans: Proceedings of the Institution of Civil Engineers, v. 47, n. 3 (novembre 1970).
- (1965): Some Investigations into the Use of Sugar as an Admixture to Concrete. Dans: Proceedings of the Institution of Civil Engineers, v. 31, n. 2 (juin 1965).
- (1978): A New Procedure for Capacity Calculations at Conventional Roundabouts. Dans: Proceedings of the Institution of Civil Engineers, v. 65, n. 1 (mars 1978).
- (1962): Strain measurements on reinforced concrete columns. Dans: Magazine of Concrete Research, v. 14, n. 42 (novembre 1962).
- (1967): Apparatus for laboratory freezing-and-thawing tests on concrete specimens. Dans: Magazine of Concrete Research, v. 19, n. 58 (mars 1967).
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