Theory - 1. Research on theory and semantics (2004-2007)
Theory - 2. Glossary Inside Installations (2007)
External links [+] http://glossary.inside-installations.org/
Theory - 3. Conservation Strategies for Modern & Contemporary Art(2005-10-01)
Download/PDF [+] http://www.inside-installations.org/OCMT/mydocs/HUMMELEN%20Conservation%20Strategies%20for%20Modern%20and%20Contemporary%20Art_1.pdf
Theory - 4. Restoration Theory Applied to Installation Art (2006)
Donwload/PDF [+] http://www.inside-installations.org/OCMT/mydocs/WEYER_RestorationTheoryAppliedtoInstallationArt.pdf