In 2 vols.
Previous ed. 1970.
Includes a contribution in French.
Preprints of the contributions to the New York Conference on Conservation of Stone and Wooden Objects, 7-13 June 1970. Vol.1, Conservation of stone. ISBN 0950052515. Published by International Institute for Conservation of Historic and Artistic Works in 1971. Publication and catalogue information, links to buy online and reader comments.