机读格式显示(MARC)

• 000 00738nam 2200253 a 4500

• 001 0000158317

• 003 CAL

• 005 20060922151000.0

• 008 060922s1990 maua b 00110 eng

• 010 __ |a 90031455

• 020 __ |a 0-201-52409-0 |c CNY15.80

• 040 __ |a DLC |c DLC |d DLC

• 090 __ |a TP393/W174

• 093 __ |a TP393 |2 4

• 099 __ |a CAL 022000199008

• 100 1_ |a Walford, Robert B.

• 245 10 |a Network system architecture / |c Robert B. Walford.

• 260 __ |a Reading, Mass. : |b Addison-Wesley Pub. Co., |c c1990.

• 300 __ |a xliii, 384 p. : |b ill. ; |c 25 cm.

• 500 __ |a Includes index.

• 504 __ |a Bibliography: p. 367-375.

• 650 _0 |a Business |x Communication systems.

• 650 _0 |a System design.

• 650 _0 |a Information networks.