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| 010 | _a 79306470 | ||
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_aTK6397 _b.I52 1978 |
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_a621.38 _bHIL |
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_aHills, M.T. _9491 |
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_aTelecommunications switching principles / _cM.T. Hills. |
| 260 |
_aCambridge : _bThe MIT Press, _c1982. |
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| 300 |
_axiii, 327 p. : _bill. ; _c23 cm. |
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| 504 | _aIncludes references ; appendices & index. | ||
| 650 | 0 |
_aSoftware engineering. _9492 |
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| 650 | 0 |
_aTelephone switching systems, Electronic. _9493 |
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_c12331 _d12331 |
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