WASET
    C. A. Alves and  A. I. Calvo and  A. Castro and  R. Fraile and  M. Evtyugina and  E. F. Bate-Epey,  Air Quality in Sports Venues with Distinct Characteristics.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2013, vol. 78(6). 298 - 302
    [viewed 02 May 2024]. Available from: https://publications.waset.org/pdf/523.