@article{Ringer_2014,
title={Monitoring trends in civil engineering and their effect on indoor radon},
volume={160},
ISSN={1742-3406},
url={http://dx.doi.org/10.1093/rpd/ncu107},
DOI={10.1093/rpd/ncu107},
number={1–3},
journal={Radiation Protection Dosimetry},
publisher={Oxford University Press (OUP)},
author={Ringer,
W.},
year={2014},
month=apr,
pages={38–42} }