00835nam a2200229Ia 450000100060000000300050000600500170001100800410002801000150006902000220008405000220010608200120012810000330014024501460017326000540031930000300037349000300040350000400043350400510047365000570052470000240058129469BIBL20160527202953.0840217s1984    enka     b    00110 eng    a 84003662   a047190063Xc48.000 aTK5105b.D43 19840 a38421910aDavies, Donald Watts.2Local10aSecurity for computer networksban introduction to data security in teleprocessing and electronic funds transfercD.W. Davies and W.L. Price.0 aChichester [West Sussex]aNew YorkbWileycc1984.  axix, 386 p.bill.c24 cm. 0aWiley series in computing  a"A Wiley-Interscience publication."  aIncludes bibliographical references and index. 0aData transmission systemsxSecurity measures.2Local10aPrice, W. L.2Local