机读格式显示(MARC)

• 000 00855cam a2200241 a 4500

• 001 0000332741

• 003 CAL

• 005 20200808094800.0

• 008 761229s1977 nyua b 001 0 eng d

• 010 __ |a 76058417

• 020 __ |a 0471326615

• 040 __ |c WUL

• 050 00 |a TK5101 |b .G74

• 090 __ |a TN91/G819

• 093 __ |a TN91 |2 3rd

• 099 __ |a CAL 022000376456 |a CAL 022000404341 |a CAL 022000614455 |a CAL 022000821643

• 100 1_ |a Gregg, William David, |d 1933- |0 CAL n2005092146# |7 ba0yba0y

• 245 10 |a Analog and digital communication : |b concepts, systems, applications, and services in electrical dissimination of aural, visual and data information / |c W. David Gregg.

• 260 __ |a New York : |b Wiley, |c c1977.

• 300 __ |a xix, 603 p. : |b ill. ; |c 24 cm.

• 504 __ |a Includes bibliographical references and index.

• 650 _0 |a Telecommunication.

• 998 __ |a WUL