TY  - BOOK
AU  - North American International Regional Conference Williamsburg,Vaand Philadelphia,Pa) (1972
AU  - United StatesAdvisory Council on Historic PreservationInternational Centre Committee
AU  - International Centre for the Study of the Preservation and the Restoration of Cultural Property
TI  - Preservation and conservation : principles and practices : proceedings of the North American International Regional Conference
SN  - 0891330291
PY  - 1982///, 1976
CY  - Washington, D.C.
PB  - Preservation Press
ER  -