机读格式显示(MARC)

• 000 00550nam a22002057a 4500

• 001 0000329655

• 003 CAL

• 005 20200729095600.0

• 008 081010s1954 xx 000 0 eng d

• 040 __ |a ECN |c ECN

• 090 __ |a TN722/G397

• 093 __ |a TN722 |2 5

• 099 __ |a CALB022011175670

• 100 1_ |a Geyger, William A.

• 245 10 |a Magnetic-amplifier circuits : |b basic principles characteristics and applications.

• 250 __ |a 1st ed. reprint.

• 260 __ |a [s. l.] : |b [s. n.], |c 1954.

• 300 __ |a 277 p. : |b figs. |c 22cm

• 920 __ |a 231220 |z 2

• 998 __ |a ECN