机读格式显示(MARC)

• 000 00749nam a2200265 a 4500

• 001 0000331294

• 003 CAL

• 005 20200804134100.0

• 008 061220s1942 nyua b 001 0 eng d

• 010 __ |a 42050376

• 040 __ |a SJT |c SJT

• 042 __ |a premarc

• 050 00 |a TK6553 |b .H8

• 090 __ |a TN761.2/H933

• 093 __ |a TN761.2 |2 4

• 099 __ |a CAL 022006146678

• 100 1_ |a Hund, August, |d 1887-

• 245 10 |a Frequency modulation / |c by August Hund.

• 250 __ |a 1st ed.

• 260 __ |a New York ; |a London : |b McGraw-Hill Book, |c 1942.

• 300 __ |a x, 375 p. : |b ill. ; |c 22 cm.

• 440 _0 |a Radio communication series

• 504 __ |a Includes bibliographical references (p. 361-368) and index.

• 650 _0 |a Radio frequency modulation.

• 998 __ |a SJT