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3. High Pressure Liquid Chromatography as a Method of Measuring Asphalt Composition, prepared for Montana Department of Highways Planning and Research Bureau, March 1980.
4. Application de la chromatographie sur gel perméable (GPC) a la caractéristion de bitumes routiers et de leur susceptibilité au vieissement artificiel, Bull. liaison P. et Ch. 128 Nov-Dec 1983.
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