1. Roberts F. L., Kandhal P. S., Brown E. R., Lee D.Y., Kennedy T. W. Hot Mix Asphalt Materials, Mixture Design and Construction, 2nd ed. National Asphalt Pavement Association Research and Education Foundation, Lanham, MD, 1998, p. 603.
2. Bennert T., Pezeshki D. Performance Testing of HMA for Quality Assurance. FHWA-NJ-2015-010. New Jersey Department of Transportation (NJDOT), 2015, p. 125.