LEADER 01049nam a2200325 i 4500
001 991000748269707536
005 20020507173055.0
008 980216s1988    uk            ||| | eng  
020   $a0198532873
035   $ab10751841-39ule_inst
035   $aLE01301704$9ExL
040   $aDip.to Matematica$beng
082 0 $a652.8
084   $aAMS 94A
084   $aAMS 94A60
084   $aAMS 94B
100 1 $aWelsh, Dominic$0440809
245 10$aCodes and cryptography /$cDominic Welsh
250   $a1st ed.
260   $aOxford :$bClarendon Press ; New York : Oxford University Press,$c1988
300   $aix, 257 p. ;$c24 cm.
500   $aIncludes Bibliography and index
650  0$aCiphers
650  0$aCryptography
907   $a.b10751841$b26-04-07$c28-06-02
912   $a991000748269707536
945   $aLE013 94A WEL11 (1988)$g1$i2013000096421$lle013$o-$pE0.00$q-$rl$s-  $t0$u2$v0$w2$x0$y.i10844892$z28-06-02
996   $aCodes and cryptography$979785
997   $aUNISALENTO
998   $ale013$b01-01-98$cm$da  $e-$feng$guk $h0$i1