| 000 | 003660000a22001330004500 | ||
|---|---|---|---|
| 008 | 151124t1983 xxu||||| |||| 00| 0 eng d | ||
| 020 | _a0-85296-242-0 | ||
| 041 | _aeng | ||
| 080 |
_a621.3(063) _bI6 |
||
| 942 | _cBK | ||
| 110 | _aInstitution of Electrical Engineers | ||
| 245 | _aSoftware engineering for telecommunications switching | ||
| 260 |
_aLondon _bIEE _c1983 |
||
| 999 |
_c139911 _d139911 |
||