| Record ID | marc_loc_updates/v39.i52.records.utf8:9950861:743 |
| Source | Library of Congress |
| Download Link | /show-records/marc_loc_updates/v39.i52.records.utf8:9950861:743?format=raw |
LEADER: 00743cam a2200229 i 4500
001 80482486
003 DLC
005 20111221101059.0
008 800625s1980 gw b 000 0 ger
010 $a 80482486
015 $aGFR80-A
020 $a038709900X (U.S.) :$cDM46.50
040 $aDLC$cDLC$dDLC
050 00 $aQA76.9.A25$bR97
100 1 $aRyska, Norbert.
245 10 $aKryptographische Verfahren in der Datenverarbeitung /$cNorbert Ryska, Siegfried Herda.
260 $aBerlin ;$aHeidelberg ;$aNew York :$bSpringer,$c1980.
300 $a401 p. ;$c25 cm.
440 0 $aInformatik-Fachberichte ;$vBd. 24
504 $aBibliography: p. [378]-399.
650 0 $aComputers$xAccess control$xPasswords.
700 1 $aHerda, Siegfried,$ejoint author.