Lenker
- Riksantikvaren
- Statsbygg
- Nasjonale Festningsverk
- ROCEM - Conservation of the Trade Academy
- WTA: International Association for Science and Technology of Building Maintenance and Monuments Preservation
- Nordisk Forum for Bygningskalk
- Konservatorskolen
- TUREIDA - Thorborg von Konow
- SEIR-materialeanalyse A/S
- Byggkonsult Sölve Johansson AB
- Vicat
- Journal of the Construction History Society
- EU Norm (EN459)Summary of Terminology for Building Limes
- ROCARE - Roman Cements for Architectural Restoration to New High Standards