1. 4) K. Shimosaka et al.:Influence of phosphorus oxide in clinker on the properties of clinker and cement, Cement Science and Concrete Technology, No.58, pp.2-9(2004)
2. 5) K. Shimosaka et al.:Influence of sulfur oxide in clinker on the properties of clinker and cement, Cement Science and Concrete Technology, No.56, pp.9-16(2002)
3. 6) K. Shimosaka et al.:Influence of manganese oxide in clinker on the properties of clinker and cement, Cement Science and Concrete Technology, No.58, pp.10-16(2004)
4. 7) K. Shimosaka et al.:Influence of zinc oxide in clinker on the properties of clinker and cement, Cement Science and Concrete Technology, No.59, pp.94-101(2005)