author = { UNESCO AND Smithsonian Institution AND Smithsonian Institution AND Conference on Cultural Preservation 1984 Washington, DC Isar, Yudhishthir R. AND Isar, Yudhishthir Raj },

title = { The Challenge to our cultural heritage why preserve the past? },

publisher = {Smithsonian Institution Press [u. a.]},

isbn = {0874745438},

isbn = {9231023705},

keywords = { Historic sites Conservation and restoration Congresses , Cultural property Protection Congresses , Architecture Conservation and restoration Congresses , Historic preservation Congresses , Antiquities. Preservation , Antiquities++Collection and preservation , Konferenzschrift , Konferenzschrift 1984 Washington, DC , Kulturerbe },

year = {1986},

abstract = {Includes bibliographies},

address = { Washington, D.C [u. a.] },

url = { http://slubdd.de/katalog?TN_libero_mab2 }