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024 _a14672
037 _cTextual
040 _aSDCL
_cSDCL
_beng
041 _2eng
_aeng
082 _aD65,4:(B252), M2
100 _aRoden Martin S
_9499855
245 0 _aDigital and data communication systems.
260 _c1982
942 _hD65,4:(B252), M2
_cTEXL
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999 _c817081
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