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FHWA.—Proceedings of the National Seminar on PCC pavement recycling and rehabilitation, St Louis, Missouri, USA, 27–30 september 1981. Federal Highway Administration report FHWA-TS-82-208. (a)Dierkes J. H.—Urban recyling of portland cement concrete pavement-edens expressway, Chicago, Illinois, ibid. ref. [7] FAWH.— Proceedings of the National Seminar on PCC pavement recycling and rehabilitation, St Louis, Missouri, USA, 27–30 september 1981. Federal Highway Administration report FHWA-TS-82-208. pp. 172–176; (b)Krueger O.—Edens expressway pavement recycling—urban pavement breakup, removal and processing, ibid., ref. [7], FHWA.—Proceedings of the National Seminar on PCC pavement recycling and rehabilitation, St Louis, Missouri, USA, 27–30 september 1981. Federal Highway Administration report FHWA-TS-82-208, pp. 165–169; (c)Copple F.—Costs and energy considerations, ibid. ref. [7], FHWA.—Proceedings of the National Seminar on PCC pavement recycling and rehabilitation, St Louis, Missouri, USA, 27–30 september 1981. Federal Highway Administration report FHWA-TS-82-208. pp. 134–139; (d)Munro R. R.—Environmental concerns in recycling, ibid. ref. [7], FHWA.—Proceedings of the National Seminar on PCC pavement recycling and rehabilitation, St Louis, Missouri, USA, 27–30 september 1981. Federal Highway Administration report FHWA-TS-82-208. pp. 161–164; (e)Fergus, J.S.—Laboratory investigation and mix proportions for utilizing recycled portland cement concrete as aggregate, ibid. ref. [7], FHWA.– Proceedings of the National Seminar on PCC pavement recycling and rehabilitation, St Louis, Missouri, USA, 27–30 september 1981. Federal Highway Administration report FHWA-TS-82-208. pp. 144–160; (f)Huisman C.L., Britson R.A.—Recycled portland cement concrete—specifications and control, ibid. ref. [7], FHWA.—Proceedings of the National Seminar on PCC pavement recycling and rehabilitation, St Louis, Missouri, USA, 27–30 september 1981. Federal Highway Administration report FHWA-TS-82-208. pp. 140–143; (g)Yrjanson W.A.—Recycling portland cement concrete, ibid. ref. [7], FHWA.—Proceedings of the National Seminar on PCC pavement recycling and rehabilitation, St Louis, Missouri, USA, 27–30 september 1981. Federal Highway Administration report FHWA-TS-82-208. pp. 128–133; (h)Nelson L.A.—rural recycling., ibid. ref. [7], FHWA.—Proceedings of the National Seminar on PCC pavement recycling and rehabilitation, St Louis, Missouri, USA, 27–30 september 1981. Federal Highway Administration report FHWA-TS-82-208. pp. 176–185.