2009
New-York

VI.  Forum International du Corpus Vitrearum sur la Conservation et la Technologie du vitrail , The Metropolitan Museum of Art, New York (USA), 1/3 June 2009, in association with the American Corpus Vitrearum. Proceedings published in L. Pilosi and M. Shepherd (eds) The Art of Collaboration: Stained Glass Conservation in the Twenty-First Century, Turnhout, 2010.