Ultrasonic monitoring of setting and hardening of cement mortar-A new device.[J].H. W. Reinhardt;C. U. Große;A. T. Herb.Materials and structures.2000, 9
Ultrasonic monitoring of setting and hardening of cement mortar-A new device.[J].H. W. Reinhardt;C. U. Große;A. T. Herb.Materials and structures.2000, 9