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024 _a71710
037 _cTextual
040 _aCSL
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041 _aeng
082 _aD666:4, J2
100 _aAlbert Arthur Lemuel
245 0 _aElectrical fundamentals of communication
260 _c1952
300 _ap.
_ccm.
650 _aElectrical communicatilon
942 _hD666:4, J2
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999 _c35112
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