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- [2] DEVELOPMENT OF A 120 MBIT-S DIGITAL LINE SYSTEM .2. EQUIPMENT DESCRIPTION POST OFFICE ELECTRICAL ENGINEERS JOURNAL, 1977, 69 (JAN): : 217 - 224
- [3] DEVELOPMENT OF A 120 MBIT-S DIGITAL LINE SYSTEM .1. SYSTEM PRINCIPLES, EQUIPMENT ENGINEERING AND MAINTENANCE POST OFFICE ELECTRICAL ENGINEERS JOURNAL, 1976, 69 (OCT): : 154 - 161
- [4] IMPULSE REGENERATOR AND REGENERATIVE REPEATER OF DIGITAL REPEATER HYBRID SYSTEM FOR 280 MBIT-S AND 560 MBIT-S NACHRICHTENTECHNISCHE ZEITSCHRIFT, 1974, 27 (02): : 61 - 66
- [5] DIGITAL 100 MBIT-S OPTICAL FIBER SYSTEM NACHRICHTENTECHNISCHE ZEITSCHRIFT, 1976, 29 (03): : 249 - 255
- [6] DIGITAL MULTIPLEX EQUIPMENT FOR 8 AND 34 MBIT-S LINE SYSTEMS ERICSSON REVIEW, 1978, 55 (02): : 76 - 83
- [7] 2ND GENERATION 2 MBIT-S DIGITAL LINE EQUIPMENT CABLES & TRANSMISSION, 1978, 32 (02): : 192 - 221