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- [1] 4/5/6L-D1 TERMINAL EQUIPMENT REVIEW OF THE ELECTRICAL COMMUNICATIONS LABORATORIES, 1982, 30 (05): : 883 - 895
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- [6] 4/5/6L-D1 RADIO REPEATER REVIEW OF THE ELECTRICAL COMMUNICATIONS LABORATORIES, 1982, 30 (05): : 859 - 872
- [7] 4·5·6G-400M radio terminal equipment and surveillance and control equipment Denki Tsushin Kenkyujo kenkyu jitsuyoka hokoku, 1988, 37 (09): : 499 - 505
- [8] 4/5/6L-D1 FIELD-RESEARCH RESULTS REVIEW OF THE ELECTRICAL COMMUNICATIONS LABORATORIES, 1982, 30 (05): : 896 - 906
- [9] 4/5/6L-D1 DIGITAL MICROWAVE RADIO SYSTEM REVIEW OF THE ELECTRICAL COMMUNICATIONS LABORATORIES, 1982, 30 (05): : 836 - 845