WASET
    Robert H. Crawford and  André Stephan,  The Significance of Embodied Energy in Certified Passive Houses.   journal   = {International Journal of Architectural and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2013, vol. 78(6). 427 - 433
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/7209.