1. Investigations on energy-saving cements;Mehta;World Cement Technol.,1980
2. Cements along the join 4 CaO·3 Al2O3·SO3−2 CaO·SO3;Ikeda,1980
3. High strength cement in the CaO−Al2O3−SiO2−SO3 system, and its application;Sudoh,1980
4. Special cements;Kurdowski,1986
5. Calcium sulphoaluminate made from phosphogypsum and its hydration properties;Santoro,1986