@incollection{Helm11,
author = {Detlef Laussmann and Dieter Helm},
title = {Air Change Measurements Using Tracer Gases: Methods and Results. Significance of air change for indoor air quality},
booktitle = {Chemistry, Emission Control, Radioactive Pollution and Indoor Air Quality},
publisher = {IntechOpen},
address = {Rijeka},
year = {2011},
editor = {Nicolas Mazzeo},
chapter = {14},
doi = {10.5772/18600},
url = {https://doi.org/10.5772/18600}
}