1. High grade steel in reinforced concrete. Preliminary publication, 2nd Congress of IABSE;Saligar;Berlin-Munich,1936
2. Cracking in reinforced concrete flexural members;Clark;ACI J Proce,1956
3. Flexural cracks in reinforced concrete beams;Chi;ACI J Proce,1958
4. Stress distribution in reinforced concrete members with tension cracks;Broms;ACI J Proce,1965
5. Crack width and crack spacing in reinforced concrete members;Broms;ACI J Proce,1965