5^th International Conference on Autoclaved Aerated Concrete, Bydgoszcz, Poland, September 15-16, 2011
4^th International Conference on Autoclaved Aerated Concrete, Kingston, UK, September 8-9, 2005
3^rd RILEM Conference, Zürich, Switzerland, 1992
2^nd RILEM Conference, Lausanne, Switzerland, 1982
1^st RILEM Conference, Göteborg, Sweden, 1960