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024 _a77586
037 _cTextual
040 _aCSL
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_cCSL
041 _aeng
082 _aD65,8(2:55), M0.1
100 _aOpen University
245 0 _cby Open University
_aComputer-based information systems: Block 1
260 _c1980
300 _ap.
_ccm.
650 _aElectronic engineering
942 _hD65,8(2:55), M0.1
_cTEXL
_2CC
999 _c38577
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