1. The Failure of Plain and Spirally Reinforced Concrete in Compression;Richart,1929
2. Stress-Strain Relations for Concrete Under Cyclic Loading;Sinha;ACI J.,1964
3. Behavior of Concrete Under Compressive Loading;Karsan,1969
4. Behavior of Concrete Under Biaxial Stress;Kupfer;ACI J.,1969
5. Strain and Ultimate Strength of Concrete Under Triaxial Stress;Launay;Special Publication SP-34, ACI J.,1970