Correction to "Theory of Periodic Dielectric Waveguides" (Letters) Peng, S. T. ; Tamir, T. ; Bertoni, H. Abstract Publication: IEEE Transactions on Microwave Theory Techniques Pub Date: August 1976 DOI: 10.1109/TMTT.1976.1128900 Bibcode: 1976ITMTT..24..542P