Lecture Characterization of airborne particles in the Baroque hall of the National Library in Prague. Ondraxkova, L.; Andelova, L.; Ondracek, J.; Smolik, J.; Grøntoft, T.; Lopez-Aparicio, S.; Stankiewicz, J. Publication details Presented at: IAQ2010; 9th Indoor Air Quality meeting. Chalon-sur-Saône 21-23 April 2010.