机读格式显示(MARC)

• 000 00750nam a2200253 a 4500

• 001 0000569627

• 005 20190925082300.0

• 008 110403s1958 nju 001 0 eng d

• 015 __ |a GB58-11573

• 035 __ |a (DLC) 58009431

• 035 __ |a (OCoLC)1498241

• 040 __ |a DLC |c FM |d OCoLC |d Uk |d DLC |d CcBjTSG

• 050 00 |a QC661 |b .W43

• 090 __ |a TN9/WGB

• 093 __ |a TN9 |2 5

• 099 __ |a CAL 0220110198583m

• 100 1_ |a Welch, George Baker, |d 1897-

• 245 10 |a Wave propagation and antennas / |c by George B. Welch.

• 260 __ |a Princeton, N.J. : |b Van Nostrand, |c c1958.

• 300 __ |a 257 p. : |b ill. ; |c 24 cm.

• 504 __ |a Includes biblographical references and index.

• 650 _0 |a Electric waves.

• 650 _0 |a Antennas (Electronics).

• 920 __ |a 211180 |z 1