1. Ash of vegetable waste used for economic production of low to high strength hydraulic binders
2. Research about the pozzolanic activity of waste materials from calcined clay;Sánchez de Rojas;Mater. Construcc.,2001
3. Secondary raw materials for synthesising new kind of cement;Goñi;Mater. Construcc.,2001
4. Efficiency coefficient of silica fume;Gutiérrez;Mater. Construcc.,1999
5. A new pozzolan for high performance cementitious material;de Gutiérrez;Mater. Construcc.,2000