1. Self-compacting High-Performance Concrete;Okamura;Concrete International,1997
2. Self-Compacting Concrete—development, present, and future;Okamura,1999
3. H. Ter Welle, Betoncentrale Twenthe, Hengelo, The Netherlands, Personal communications (2003).
4. B. Bos, BAS, Venray, The Netherlands, Personal communications (2003).
5. F.M.L. Ernst, Onderzoek zelfverdichtend beton. MSc Thesis TUE/CCO/00-09, Eindhoven University of Technology, Faculteit Bouwkunde, Capaciteitsgroep Constructief Ontwerpen, Eindhoven, The Netherlands, 2000 (in Dutch).