| 000 | 00456nam a22001817a 4500 | ||
|---|---|---|---|
| 001 | 11375 | ||
| 003 | BD-DhUET | ||
| 008 | 150216b xxu||||| |||| 00| 0 eng d | ||
| 040 |
_cDLC _dBD-DhUET |
||
| 082 |
_a623.85 _bELL/1971 |
||
| 100 | _aElldin, Anders | ||
| 245 | _aElementary telephone traffic theory | ||
| 250 | _aRev. ed. | ||
| 260 |
_aStockholm _bInternational Traning Center _c1971 |
||
| 300 | _aVarious paging | ||
| 650 | 0 | _aTelephony | |
| 942 | _cGB | ||
| 999 |
_c11375 _d11375 |
||