TY - BOOK ID - 131540573 TI - 9th General Assembly and International Symposium : "ICOMOS", a quarter of a century: achievements and future prospects, Lausanne, Switzerland, October 6th - 11th, 1990 PY - 1990 PB - Bern The Swiss National Committee. International Council on Monuments and Sites DB - UniCat KW - Conservation. Restoration KW - Architecture UR - https://www.unicat.be/uniCat?func=search&query=sysid:131540573 AB - ER -