1. Dougill J. W. The Effect of High Temperature on Concrete With Reference to Thermal Spalling. PhD thesis. 1970, Imperial College, London.
2. Akhtaruzzaman A. A., Sullivan P. J. E. Explosive Spalling of Concrete Exposed to High Temperature, December 1970 Imperial College of Science and Technology: 24, Imperial College of Science and Technology, Concrete Structures and Technology, Research report CSTR 70/2.