WASET
    Yu Zhao and  Shinsuke Kato and  Jianing Zhao,  Particle Concentration Distribution under Idling Conditions in a Residential Underground Garage.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2015, vol. 97(1). 88 - 94
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10000301.