1. Asphalt Institute Superpave series no.2 (SP-2). Superpave level 1 mix design, Lexington, Kentucky, 1996.
2. Corce JB. A laboratory investigation into the effect of aggregate related factors of critical VMA in asphalt paving mixture. Center of Transportation Research and Education, Iowa State University, June 2002.
3. Kandhal PS, Kee YF, Mallick BR. A critical review of voids in mineral aggregate requirements in Superpave, NCAT report no. 98-1, 1998.
4. Hot mix asphalt materials, mixture design and construction Lanham M.D;Robert,1996
5. Selecting the aggregate specific gravity for bituminous paving mixtures;Mc Leod;Proceedings of Highway Research Board,1957