1. Standard Methods of Sampling and Testing Highway Materials;American Association of State Highway Officials,1971
2. Concrete and Mineral Aggregates: Manual of Concrete Testing;American Society for Testing Materials,1974
3. Soundness and Deleterious Substances: Significance of Tests and Properties of Concrete and Concrete Making Materials;Bloem,1975
4. Specifications for Sizes of Broken Stone Chippings;British Standards Institution,1913
5. Methods for Sampling and Testing of Mineral Aggregates, Sands and Fillers;British Standards Institution,1975