@inproceedings{fe494d0d30424c759c8ed61c6cb28b6c,
title = "A comparison between the step-up, step-down and pulse injection techniques for the measurement of mean age of air",
author = "Raimo Niemel{\"a} and Arto S{\"a}{\"a}m{\"a}nen and Hannu Koskela",
note = "CA: TUR",
year = "1989",
language = "English",
pages = "7 -- 20",
booktitle = "Progress and trends in air infiltration and ventilation research. Espoo, Finland, 25 - 28 Sept. 1989",
publisher = "Air Infiltration \& Ventilation Centre (AIVC)",
address = "United Kingdom",
}