| 000 | 00517nam a2200181Ia 4500 | ||
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| 005 | 20250114193934.0 | ||
| 008 | 250113s9999 xx 000 0 und d | ||
| 041 | _aeng | ||
| 082 |
_bK0 _aD666 |
||
| 100 | _aInternational Telephone And Telegraph Corporation | ||
| 245 | _aReference Data For Radio Engineers | ||
| 250 | _a5th edn. | ||
| 260 |
_c1970 _bHoward W Sams & Co. _aNew York |
||
| 300 | _a8,1137,41p. frsp. | ||
| 365 | _cRs. | ||
| 650 | _aD666 | ||
| 700 | _aInternational Telephone And Telegraph Corporation | ||
| 999 |
_c87709 _d87709 |
||