机读格式显示(MARC)

• 000 00598cam a2200193 a 4500

• 001 0000333913

• 003 CAL

• 005 20200813131000.0

• 008 050921s1969 ctuaf b 001 0 engsu

• 040 __ |a SDU |c SDU

• 090 __ |a TN011/J79

• 093 __ |a TN011 |2 4

• 099 __ |a CALB0220110192085m

• 100 1_ |a Jones, T. B.

• 245 10 |a Oblique lonospheric radiowave propagation at frequencies near the lowest usable high frequency / |c editor T. B. Jones.

• 260 __ |b The Advisory Group for Aerospace Research and Development of NATO, |c 1969.

• 300 __ |a 554 p. : |b ill. ; |c 26 cm.

• 920 __ |a 237010 |z 2

• 998 __ |a SDU