• Extent and reasons for biodeterioration, salt distribution and damage of plaster in Estonian medieval churchesKallavus, Urve; Kalamees, Targo; Kurik, Lembit; Traksmaa, RainerISBP 2015 : 1st International Symposium on Building Pathology : conference proceedings : March 24-27, 2015, Porto, Portugal2015 / p. 709-716 : ill