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 Date: 2014-10-01 18:36:37EMV Securities research Debit card Non-negative matrix factorization Chip and PIN Business Economics Payment systems Mathematics HDX |
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| First Page | Document Content | |
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Date: 2014-10-01 18:36:37EMV Securities research Debit card Non-negative matrix factorization Chip and PIN Business Economics Payment systems Mathematics HDX |
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