Sreedevi P. Chakyar and  Jolly Andrews and  V. P. Joseph ,  Temperature Dependence of Relative Permittivity: A Measurement Technique Using Split Ring Resonators.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2016, vol. 114(6). 1134 - 1137
    [viewed 17 May 2022]. Available from: https://publications.waset.org/pdf/10004708.