Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) S.R. Rengarajan and Y. Rahmat-Samii,The field equivalence principle: illustration of the establishment of the non-intuitive null fields,IEEE Antennas and Propagation Magazine,1045-9243,Institute of Electrical and Electronics Engineers (IEEE),2000,42,4,122-128,https://cir.nii.ac.jp/crid/1361418520444833792,https://doi.org/10.1109/74.868058