Hypoxic air venting for protection of heritage /
Jensen, Geir.
Holmberg, Jan G.,1935-
Norway.Riksantikvariatet.
Historic Scotland.Technical Conservation, Research and Education Group.
Oslo : Riksantikvaren ; [Edinburgh] : Historic Scotland: Technical Conservation, Research and Education Group,
c2006.
"Research report."
Includes bibliographical references.
Historic buildings