1. Application of pulverized fly-ash and spray-dry absorption products in sand-lime-brick production;Bloem;KEMA Scientific and Technical Reports,1989
2. H.A.W. Cornelissen, Application of SDA residue in concrete. Part 3: durability aspects and applications in the concrete products industry. KEMA report 60911-CBP 90–914, 1990, pp. 98. (in Dutch)
3. PFA as a filler for mortar and concrete. Recommendation 12, Center for Civil Engineering Research, Codes and Specifications, Gouda, The Netherlands, 1987 (in Dutch)
4. P.J.C. Bloem and B.J.G. Sciarone, Application of spray-dry products in building materials. Proceedings of the second international conference on the FGD and chemical gypsum, Toronto, May 1991