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100   $a20010312d1982----km-y0itay0103----ba
101   $aeng
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105   $a||||||||001yy
200 1 $aCodes, ciphers, and computers$ean introduction to information security$fBruce Bosworth
210   $aRochelle Park$cHayden Book Company$dc. 1982
215   $a259 p.$cill.$d23 cm
410   $12001
461  1$1001-------$12001
610 0 $aCrittografia
610 0 $aElaboratori elettonici$xControllo degli accessi$xParole d'ordine
676   $a001.5436
700  1$aBOSWORTH,$bBruce$0543384
801  0$aIT$bsalbc$gISBD
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979   $c20020403$lUSA01$h1643
979   $aPATRY$b90$c20040406$lUSA01$h1625
996   $aCodes, ciphers, and computers$9876391
997   $aUNISA