1. Factors affecting the immobilisation of metals in geopolymerised fly ash;Van Jaarsveld,1995
2. Properties of geopolymer cements;Davidovits,1994
3. Ancient and modern concretes: What is the real difference?;Davidovits;Concrete International,1987
4. Longevity of borehole and shaft sealing materials: Characterisation of ancient cement-based building materials;Langton,1984