| 000 | 00386nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1969 xx 000 0 und d | ||
| 082 | _a621.384 156 W21P | ||
| 100 | _aVAN C., Warrington A. R. | ||
| 245 | 0 | _aProtective relays; their theory and practice | |
| 260 |
_bLondon _c1969 |
||
| 300 | _av. | ||
| 650 | _aRADIO RELAY SYSTEMS | ||
| 653 | _aRADIO RELAY SYSTEMS | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c33060 _d33060 |
||