1Thermal Cracking in Concrete at Early Ages.Proceedings of the International RILEM Symposium, 1995 (1) Development of the Cracking Frame and Temperature-Stress Testing Machine, R. Springenschmid et al.(2)Investigation of Concrete Behaviour under Restraint with a Temperature - Stress Test Machine, G, Thielen et al.(3)Why are Temperature-Related Criteria so Unreliable for Preadicting Thermal Cracking at Early Ages? M. Mangold et al.(4)Practical Experience with Concrete Technological Measures to Avoid Cracking, R. Springenschmid et al.