1. American Association of State Highway and Transportation Officials. Standard Specifications for Transportation Materials. Part II. Methods of Sampling and testing. Standard method of test for soundness of aggregates by freezing and thawing. T 103–178. Washington, D.C.
2. Historical soils of the Kamenetz-Podolsk Fortress.;Proceedings of the 2nd International Conference on Soil Science,,1932
3. American Society for Testing Materials 1963. Soundness of aggregates by use of sodium sulphate or magnesium sulphate. ASTM Designation C88, Philadelphia, Pa.
4. American Society for Testing Materials 1965a. Petrographic examination of aggregates for concrete. ASTM Designation C 295, Philadelphia, Pa.
5. American Society for Testing Materials 1965b. Resistance to abrasion of large size coarse aggregate by use of the Los Angeles machine. ASTM Designation C 535, Philadelphia, Pa.