| 000 | 003530000a22001330004500 | ||
|---|---|---|---|
| 245 | _aTelecommunication by speech : the transmission performance of telephone networks | ||
| 100 | _aRichards, D.L. | ||
| 260 |
_aLondon _bButterworths _c1973 |
||
| 300 | _a589 p. | ||
| 500 | _aBibly: 529-577 | ||
| 080 |
_a621.395.4 _bR5 |
||
| 041 | _aEN | ||
| 942 | _cBK | ||
| 999 |
_c103234 _d103234 |
||