机读格式显示(MARC)

• 000 00654nam 2200241 a 4500

• 001 0000522714

• 003 CAL

• 005 20050428112200.0

• 008 050428s1983 njua 001 0 eng

• 020 __ |a 0131964690

• 040 __ |c SJT

• 050 00 |a TK5105 |b .L63 1983

• 082 0_ |a 001.64/404 |2 19

• 090 __ |a TN919/L863

• 093 __ |a TN919 |2 4

• 099 __ |a CAL 022000310545

• 100 1_ |a Loomis, Mary E.S.

• 245 10 |a Data communications / |c Mary E.S. Loomis.

• 260 __ |a Englewood Cliffs, N.J. : |b Prentice-Hall, |c c1983.

• 300 __ |a xi, 212 p. : |b ill. ; |c 24 cm.

• 500 __ |a Includes index.

• 650 _0 |a Data transmission systems.

• 950 __ |a JHUL |b TN919 |c L863