1. Aabøe, R. n.d. “Granulated Foamed Glass for Civil Engineering Applications.” Paper presented at the Workshop NR 2, Recycled Materials in Road and Airfield Pavements: Overcoming Barriers, Oslo, Norway, June, 2005.
2. AASHTO. 2022. Standard Practice for Determining Aggregate Source Shape Values from Digital Image Analysis Shape Properties. AASHTO R 91-18(2022). Washington, DC: American Association of State Highway and Transportation Officials, approved 2022.
3. AASHTO. 2022. Standard Method of Test for Specific Gravity and Absorption of Coarse Aggregate. AASHTO T 85(2022). Washington, DC: American Association of State Highway and Transportation Officials, approved 2022.
4. AASHTO. 2022. Standard Method of Test for Determining Aggregate Shape Properties by Means of Digital Image Analysis. AASHTO T 381(2022). Washington, DC: American Association of State Highway and Transportation Officials, approved 2022.
5. Adams, M. and J. Nicks. 2018. Design and Construction Guidelines for Geosynthetic Reinforced Soil Abutments and Integrated Bridge Systems. Report No. FHWA-HRT-17-080. Washington, DC: Federal Highway Administration.