1. Early hydration behaviour of Portland cement containing chemical by-product gypsum;Bensted;World Cement Technology,1979
2. Early hydration behaviour of Portland cement containing boro-, citro- and desulphogypsum;Bensted;Cement and Concrete Research,1980
3. Chemical calcium sulphates in Japan;Murakami,1977
4. The possibilities for application of titanogypsum in cement research;Novosadov;Tsement No. 1,1979
5. Industrial gypsum from waste titanium white production and its use in cement works;Kronrad;Stavivo,1979