資料來源: Google Book

Managing change :sustainable approaches to the conservation of the built environment: 4th Annual US/ICOMOS International Symposium organized by US/ICOMOS, Program in Historic Preservation of the University of Pennsylvania, and the Getty Conservation Institute 6-8 April 2001, Philadelphia, Pennsylvania

The 4th annual US/ICOMOS International Symposium orgnanised by US/ICOMOS, the Graduate Program in Historic Preservation of the University of Pennsylvania, and the Getty Conservation Institute, help in Philadelphia, April 2001.
來源: Google Book
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