3Gutt W. High temperature phase equili.bria in system 2CaO. Si02-3CaO'P2Os-CaO [J]. Nature, 1963, 197(1): 142-143.
4Nurse R W. The effect of phosphate on the constitution and hardening of Portland cement [J]. Journal of Applied Chemistry, 1952(2): 708-713.
5Stanek T and Sulovsky P. 'The influence of phosphorous pentoxide on the phase composition and formation of Portland clinker [J]. Materials Characterization, 2009(60): 749-755.
6Halicz L, Nathan Y and Ben-Dor L. The influence of PE05 on clinker reactions [J]. Cement and Concrete Research, 1983, 14(1): 11-18.
7Nastac D, Fruth V and Muntean M. Change in the cell parameters of alite doped with phosphorus [J]. Revista Romanade Material- Romanian Journal of Materials, 2008, 38 (3): 193-202.