Appropriate technologies in the conservation of cultural property. - Paris : Unesco, c 1981. - 136 p. : ill. ; 25 cm. - Protection of the cultural heritage, Technical handbooks for museums and monuments ; 7. . 337 337 ISBN: 92-3-101900-7 Subjects--Topical Terms: Historic buildings--Conservation and restoration. Dewey Class. No.: 726.8 / U3a