机读格式显示(MARC)

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• 003 SCNU

• 008 920318s1992 nyuaf b 001 0 eng

• 010 __ |a 90049510

• 020 __ |a 0070699984

• 020 __ |a 0929635035

• 043 __ |a n-us---

• 050 00 |a HE8689.8 |b .W44 1992

• 093 __ |a G229.1 |2 4

• 100 1_ |a Whetmore, Edward Jay.

• 245 10 |a American electric : |b introduction to telecommunications and electronic media / |c Edward Jay Whetmore.

• 260 __ |a New York : |b McGraw-Hill, |c c1992.

• 300 __ |a x, 534 p., [8] p. of plates : |b ill. (some col.) ; |c 24 cm.

• 440 _0 |a McGraw-Hill series in mass communication.

• 504 __ |a Includes bibliographical references and index.

• 650 _0 |a Broadcasting |z United States.

• 950 __ |a SCNU |f G229.1/W568

• 999 __ |t C |A zxq |a 20050707 11:10:37 |M zxq |m 20050707 11:11:17 |G zxq |g 20050707 11:12:13

• 000 1000008130

• 991 __ |a 022005003659

• 907 __ |a SCNU |f G229.1/W568