Bibliografi
- J. Elsen. Microscopy of historic mortars - a review. Cement and Concrete Research, Volume 36, Issue 8, August 2006, Pages
1416-1424. - G. Mertens & J. Elsen. Calcareous hydraulic binders from a historical perspective.
- The Louis Vicat Technical Center, Materials and Microstructures Laboratory, 2007. Prompt Natural Cement - The Roman Cement of Grenoble, Technical Specifications.
- The Louis Vicat Technical Center, Materials and Microstructures Laboratory, 2007. Use of Prompt Natural Cement in Mixes With Natural Hydraulic Limes, Technical Specifications.
- C. Veigl. Ornamente für die Ewigkeit. Romanzement und andere Baustoffe aus der Traumfabrik der Gründerzeit. Wiener Geschichtsblätter. 2009/03.