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- [2] DIRECTIONAL COUPLERS PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1946, 34 (02): : W88 - W88
- [3] DIRECTIONAL COUPLERS PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1948, 36 (05): : 632 - 632
- [4] ACTIVE DIRECTIONAL COUPLERS PROCEEDINGS OF THE INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, 1967, 55 (05): : 721 - &
- [6] DIRECTIONAL ELECTROMAGNETIC COUPLERS PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1954, 42 (11): : 1686 - 1692
- [10] FERRITE DIRECTIONAL COUPLERS PROCEEDINGS OF THE INSTITUTE OF RADIO ENGINEERS, 1956, 44 (10): : 1439 - 1445