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245 00$aIBM systems journal /$cInternational Business Machines. - 1962-
260   $aArmonk,$c1962-
591   $aCodice CNR: P 00003824
592   $aLE026 1973;1975;1977-1985; lac.: 1973;1975;1980;1985;
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996   $aIBM systems journal$91452992
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