1. Bødker, J. (2006a). “Hydrocarbons in concrete slurry.” Danish Environmental Protection Agency, Report 17. (in Danish)
2. Bødker, J. (2006b). “Emissions from concrete to the indoor environment.” Danish Environmental Protection Agency, Report 18. (in Danish)
3. Bødker, J. (2006c). “Photocatalytic absorbtion of NOx on concrete.” Danish Environmental Protection Agency, Report 32. (in Danish)
4. Cassar, L. (2005). “Sunlight as concrete protection - Cementitious materials and photocatalysis.” BFT International. Bauverlag BV GmbH. 71 (1), 10-16.
5. Damtoft, J. S., Glavind, M. and Munch-Petersen, C. (2001). “Danish Centre for Green Concrete.” Proceedings of 3rd CANMET/ACI International Symposium on Sustainable Development and Concrete Technology. Malhotra, M. ed. San Francisco, September 2001.