000 | 00506 a2200133 4500 | ||
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082 |
_a621.38 _bOp2t |
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245 | 1 | _aTELECOMMUNICATION SYSTEMS | |
260 |
_aMilton Keynes _bOpen Univ. _c1976 |
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300 | _a | ||
440 |
_aTechnology _v |
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500 | _aContents : Unit 1. Circuits, Filters And Amplifiers -- Unit 2. Modulation -- Unit 3 And 4 Channels And Lines -- Units 5 And 6 Noise And Interference And Digital Systems -- Units 7, 8, 9. Telephone Systems -- 10 Case... | ||
964 | _gCIRC | ||
997 | _aA70994 s C | ||
999 |
_c464477 _d464477 |