The penetration factor and removal rate by the building envelope for SO2 and No2 gas.
![](https://www.aivc.org/sites/default/files/default_images/default_image_5.png)
Year:
1993
Bibliographic info:
Finland, Helsinki, Proceedings of 'Indoor Air '93', The 6th International Conference on Indoor Air Quality and Climate, July 4-8, 1993, Volume 5, "Ventilation", pp 133-138.