000 00454nam a2200169 4500
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020 _a0 85012 1264 4
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100 1 _a"0, . "
_93953
245 1 0 _aworking with computers :a guide to jobs and careers:
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_c ..
250 _a1 ed.
260 _auk :
_bnational computing
_c1971.
300 _a", 80p.;
_c22 cm."
942 _2lcc
_cBK
999 _c28068
_d28068