机读格式显示(MARC)

• 000 00611cam a2200205 a 4500

• 001 0000526072

• 005 20140509105800.0

• 008 140508s1987 ctuaf b 00110 engsu

• 020 __ |a 0137994532

• 040 __ |c HDU

• 090 __ |a TP309/BF1

• 093 __ |a TP309 |2 5

• 100 1_ |a Ford,Warwick

• 245 10 |a Computer communications security |b Principles,Stadard Protocols and Techniques |c Warwick Ford.

• 260 __ |a NJ |b PTR Prentice Hall |c c1994

• 300 __ |a vxii,494 p. |b ill. ; |c 24 cm.

• 500 __ |a Computer security

• 650 _0 |a Computer security

• 650 _0 |a Telecommunication systems |z Security measures

• 920 __ |a 233030 |z 2