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140316s9999 xx 000 0 und d |
| 020 |
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|a 818408238x
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| 082 |
|
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|a 025.04
|b RAT/UN
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| 100 |
|
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|a Ratzon,Lee
|
| 245 |
|
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|a Understanding Information Systems :What they do and why we need them
|
| 260 |
|
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|a New Delhi
|b Indiana Publishing House
|c 2009
|
| 300 |
|
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|a 253
|
| 650 |
|
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|a bibliometrics
|
| 650 |
|
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|a cryptography
|
| 942 |
|
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|2 ddc
|c REF
|
| 999 |
|
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|c 21016
|d 21016
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| 952 |
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|c CLOSEDREF
|d 2014-03-18
|o 025.04 RAT/UN
|p 218210
|r 2014-03-18
|w 2014-03-18
|y BK
|