@article{BraunKlingelhoeferMuelleretal.2021,
  author    = {Markus Braun and Doris Klingelh{\"o}fer and Ruth M{\"u}ller and Jan David Alexander Groneberg},
  title     = {The impact of second-hand smoke on nitrogen oxides concentrations in a small interior},
  journal   = {Scientific reports},
  volume    = {11.2021},
  number    = {art. 11703},
  pages     = {1 -- 8},
  doi       = {10.1038/s41598-021-90994-x},
  year      = {2021},
}