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050 _aTK5102.5
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245 1 0 _aprinciples of telecommunication traffic engineering:
_b/
_c d.. bear
250 _a3 ed.
260 _auk :
_bi.e.e.
_c1988.
300 _a"xiii, 250p.;
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490 0 _aiee engineering telecommunications
650 0 _atelephone systems traffic flow
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