1. McCurrich L, Cook NR. Airfield and road pavement use in the UK of high performance coal tar pitch PVC joint sealants, and a comparison of UK and ASTM standards. Detroit: Publication SP––American Concrete Institute 70; vol. 1. 1981. p. 669–89
2. Basic considerations for selecting coal tar roofing systems;Spencer;Plant Eng.,1994
3. Performance tests of roofing tiles;Herje;Batiment Int./Build. Res. Practice,1986
4. Roofing history survey;Van Court,1981
5. Roofing systems: selecting and specifying;Raeber;Construct. Specifier,1986