机读格式显示(MARC)

• 000 00923nam2 2200325 4500

• 000 1000008003

• 001 0000164292

• 003 CAL

• 005 20050126111121.0

• 008 790405s1956 nyua 00000 eng

• 010 __ |a 56005591 /L

• 020 __ |c CNY1.80

• 040 __ |c SCUT

• 050 00 |a TK7819 |b .P5

• 082 00 |a 621.38 |a 621.34*

• 090 __ |a TN928/E2

• 093 __ |a TN928 |2 3

• 099 __ |a CAL 022001054298

• 100 1_ |a Pierce, John Robinson, |d 1910-

• 245 10 |a Electrons, waves, and messages. |c Drawings by Felix Cooper.

• 260 __ |a Garden City, N.Y., |b Hanover House, |c 1956.

• 300 __ |a 318 p. |b illus. |c 22 cm.

• 650 _0 |a Telecommunication.

• 650 _0 |a Electronics |x Popular works.

• 905 __ |a XATU |d TN928/E2

• 920 __ |a 261060 |z 1

• 950 __ |a 261060 |f TN928/E2

• 991 __022005003936

• 998 __ |a SCUT

• 999 __ |t C |A zhouwei |a 20050126 11:10:31 |I zhouwei |i 20050126 11:11:21 |G zhouwei |g 20050126 11:11:4