1. Huber, G.A., & Shuler, T.S. (1992). Providing Sufficient Void Space for Asphalt Cement: Relationship of Mineral Aggregate Void and Aggregate Gradation. Effects of Aggregates and Mineral Fillers on Asphalt Mixture Performance. ASTM Special Technical Publication 1147.
2. Vavrik, W.R., Huber, G., Pine, W.J., Carpenter, S.H., & Bailey, R. (2002). Bailey Method for Gradation Selection in HMA Mixture Design. Transportation Research Circular number E-C044. Transportation Research Board.
3. Vavrik, W.R. (2000). Asphalt Mixture Design Concepts to Develop Aggregate Interlock. Ph.D. thesis. University of Illinois at Urbana–Champaign.
4. The Bailey Method of Gradation Evaluation: the Influence of Aggregate Gradation and packing Characteristics on Voids in the Mineral Aggregate;Vavrik;Journal of the Association of Asphalt Paving Technologists,2001
5. Pine, W.J. (2009). The Bailey Method – Achieving Volumetrics and HMA Compactability. Course Materials and Handouts.