Arti Vaish and Harish Parthasarathy, A Novel System of Two Coupled Equations for the Longitudinal Components of the Electromagnetic Field in a Waveguide. journal = {International Journal of Physical and Mathematical Sciences}, [online]. World Academy of Science, Engineering and Technology. March 2011, vol. 51(3). 514 - 517 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/4089.