International Business Machines Corporation. International Technical Support Organization, ebrary, Inc, & Rayns, C. (2004). IBM eserver zSeries 990 (z990) cryptography implementation. IBM, International Technical Support Organization.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)International Business Machines Corporation. International Technical Support Organization, Inc ebrary, ба Chris Rayns. IBM Eserver ZSeries 990 (z990) Cryptography Implementation. Poughkeepsie, NY: IBM, International Technical Support Organization, 2004.
MLA -ийн эшлэл (9 дэх хэвлэлт)International Business Machines Corporation. International Technical Support Organization, et al. IBM Eserver ZSeries 990 (z990) Cryptography Implementation. IBM, International Technical Support Organization, 2004.
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