Kwek, E. H. (1998). Analysis and application of symmetrical six-port triple-ring microstrip couplers.
Chicago Style (17th ed.) CitationKwek, Ee Hong. Analysis and Application of Symmetrical Six-port Triple-ring Microstrip Couplers. 1998.
MLA (8th ed.) CitationKwek, Ee Hong. Analysis and Application of Symmetrical Six-port Triple-ring Microstrip Couplers. 1998.
Warning: These citations may not always be 100% accurate.