机读格式显示(MARC)

• 000 01084nam2 2200349 4500

• 000 1000007640

• 001 0000163946

• 003 CAL

• 005 20050125160047.0

• 008 981212s1985 enka b 00110 eng

• 020 __ |a 0120847809 |c CNY2.60

• 040 __ |c SJT

• 050 00 |a TK5102.5 |b .B354 1985

• 082 00 |a 621.38 |2 19

• 090 __ |a TN918.6/E1

• 093 __ |a TN918.6 |2 3

• 099 __ |a CAL 022000304455

• 100 1_ |a Beker, Henry.

• 245 10 |a Secure speech communications / |c Henry J. Beker, Fred C. Piper.

• 260 __ |a London ; |a Orlando [Fla.] : |b Academic Press, |c 1985.

• 300 __ |a xi, 267 p. : |b ill. ; |c 24 cm.

• 440 _0 |a Microelectronics and signal processing ; |v 3

• 500 __ |a Includes index.

• 504 __ |a Bibliography: p. 259-262.

• 650 _0 |a Scrambling systems (Telecommunication)

• 700 10 |a Piper, F.C. |q (Frederick Charles), |d 1940-

• 905 __ |a XATU |d TN918.6/E1

• 920 __ |a 261060 |z 1

• 950 __ |a 261060 |f TN918.6/E1

• 991 __022005003596

• 998 __ |a SJT

• 999 __ |t C |A zhouwei |a 20050125 16:00:00 |I zhouwei |i 20050125 16:00:47 |G zhouwei |g 20050125 16:01:1