机读格式显示(MARC)

• 000 00542cam a2200205 a-4500

• 001 0000572732

• 003 CAL

• 005 20190729142000.0

• 008 __ s1980 us 000 0 eng d

• 040 __ |a NEN |c NEN

• 090 __ |a TN8/HS/(26)

• 093 __ |a TN8 |2 4

• 099 __ |a CALB0220110006602m

• 100 1_ |a Herickes, S.

• 245 00 |a The audio-visual equipment directory / |c S. Herickes.

• 250 __ |a 26th ed.

• 260 __ |a Virginia : |b National AudioVisual Assciation Inc., |c 1980

• 300 __ |a 502 p. ; |c 23 cm.

• 650 _0 |a Radio waves.

• 920 __ |a 211180 |z 1