The wiki on salts and salt degradations will soon be availablein English too.Please check at the beginning of 2012 at the Germanwebsite http://www.salzwiki.de/
22-26.10.2012, New York, USA, "12th International Conference on the Deterioration and Conservation of Stone: 40th Anniversary"
"Call to witness":
Search of "Roman cement" uses: in the european research project ROCARE (www.rocare.eu), the organizers are looking for buildings or parts of buildings, built in "Roman cement". For more information, please consult the flyer and / or contact Christine Bläuer