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1LiburuaArgitaratua 1971“...International Business Machines Corporation. Data Processing Division...”
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2LiburuaArgitaratua 1961“...International Business Machines Corporation. Data Processing Division...”
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3LiburuaArgitaratua 1960“...International Business Machines Corporation. Data Processing Division...”
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4Aldizkako argitalpena
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5LiburuaArgitaratua 1964“...International Business Machines Corporation. Data Processing Division...”
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6LiburuaArgitaratua 1969“...International Business Machines Corporation. Data Processing Division...”