Alfonso Bahillo and  Juan Blas and  Santiago Mazuelas and  Patricia Fernanadez and  Ruben Mateo Lorenzo and  Evaristo Jose Abril,  Perturbations of the EM-field Meters Reading Caused by Flat Roof Security Wall.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2007, vol. 6(6). 812 - 817
    [viewed 08 May 2024]. Available from: https://publications.waset.org/pdf/8460.