triennial meeting triennial meeting Lyon 29 August - 3 September 1999 : preprints / [ed.: Janet Bridgland ; associate ed.: Jessica Brown] Modern art: who cares? : an interdisciplinary research project and an international symposium on the conservation of modern and contemporary art / eds. IJsbrand Hummelen … Ancient & historic metals : conservation and scientific research : proceedings of a symposium organized by the J. Paul Getty Museum and the Getty Conservation …