机读格式显示(MARC)
- 000 00447nam2 2200181 4500
- 245 1_ |a PCM and Digital Transmission Systems. |c Owen, Frank F.E. |g |A PCMANDDI |F OWEN,FRANKFE
- 260 __ |a New York |b McGraw-Hill |c 1982
- 700 _0 |a Owen, Frank F.E. |A OWEN,FRANKFE |4 著
- 905 __ |a HIEL |d TN919.6/O1*1