@techreport{1548,
  author = {David J Wilson and Iain S Walker},
  title = {Passive Ventilation to Maintain Indoor Air Quality},
  year = {1991},
  booktitle = {Report $\#$ 81},
  journal = {Report $\#$ 81},
  series = {Report $\#$ 81},
  institution = {University of Alberta Department of Mechanical Engineering},
  publisher = {University of Alberta Department of Mechanical Engineering},
  language = {eng},
}