1. Isacsson, U. and Lu, X., ‘A compilation of test methods and specifications of polymer modified bitumens for road applications’ (Royal Institute of Technology, Department of Highway Engineering Stockholm) in press.
2. Hancock, T., British Patent No. 4768 [1823], from reference [3].
3. Zenke, G., ‘Polymer-modifizierte Straßenbaubitumen im Spiegel von literaturergebnissen versuch eines Resümees,’Die Asphaltstrasse 1 (1985) 5–16;4 (1985) 170–182;6 (1985) 264–284.
4. Fritz, H. W., Huet, J. and Urban, R., ‘English-French-German dictionary of technical terms related to hydrocarbon binders, hydrocarbon composite materials, processes for removing pavement material and for the rehabilitation of asphalt pavements,’Mater. Struct. 25 (1992) 171–185.
5. Hall, C., ‘Polymer Materials’ (Macmillan, London, 1985).