Publi image 9-1.pdf 9-1.pdf Publi data Lars-Ake Mattsson Languages English Bibliographic info International Workshop: Quality of Methods for Measuring Ventilation and Air Infiltration in Buildings | Brussels, Belgium 18-19 March 2014 This paper gives an overview of the work undertaken within CEN TC 156 WG 3 dealing with ductwork for ventilation in buildings.