A detailed study of the effects of ventilation, filtration and outdoor air on the composition of indoor air at a telephone office building.

in: Indoor Air'87, Proceedings of the 4th International Conference on Indoor Air Quality and Climate, Berlin (West), 17-21 August 1987, Vol 3, Institute for Water, Soil and Air Hygiene, 1987, p142-146, 3 tabs, 8 refs.