Below are some good references on digital print conservation and a bit
more on the face mounting process. Martin Juergens seems to be the
expert in this field. See particularly his PDF publication on Digital
Print Conservation and the extensive bibliography available at the last
site.
http://palimpsest.stanford.edu/byform/mailing-lists/cdl/2003/0586.html
http://www.knaw.nl/ecpa/publ/jurgens.html
http://aic.stanford.edu/conspec/emg/juergens/
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