European paintings 15th - 18th century : copying, emulating and replicating ; [proceedings of the conference "Copying, Emulating and Replicating Paintings in the 15th - 18th Century", organised by the Centre for Art Technological Studies and Conservation (CATS), which took place at the Statens Museum for Kunst (SMK), the National Gallery of Denmark, 21 - 22 May 2012] - Hermens, Erma; Hermens, Erma (CATS proceedings, 2014)