机读格式显示(MARC)

• 000 00622cam 2200229 a 4500

• 001 0000155291

• 003 CAL

• 005 20060911170400.0

• 008 060911s1982 maua 001 0 eng d

• 020 __ |a 0932376185

• 040 __ |a SJT |c SJT

• 090 __ |a 73.4616/M478

• 093 __ |a TN919

• 094 __ |a 73.4616 |2 3

• 099 __ |a CAL 022000331298

• 100 1_ |a McNamara, John E.

• 245 10 |a Technical aspects of data communication / |c John E. McNamara.

• 250 __ |a 2nd ed.

• 260 __ |a Bedford, Mass. : |b Digital Press, |c c1982.

• 300 __ |a xi, 330 p. : |b ill. ; |c 24 cm.

• 500 __ |a Includes index.

• 650 _0 |a Data transmission systems.