| 000 | 00341cam a22001331 4500 | ||
|---|---|---|---|
| 082 |
_a621.319 _bRYD _cL-10, P-27 |
||
| 100 | 1 | _aRyder, R. W. | |
| 245 | 1 | 0 | _aEarthing principles and practice. |
| 260 |
_aLondon, _bPitman _c[1952] |
||
| 300 |
_axi, 108 p. _billus. _c22 cm. |
||
| 650 | 0 |
_aElectric currents _xGrounding. |
|
| 650 | 0 | _aMCE | |
| 942 | _cBK | ||
| 999 |
_c5794 _d5794 |
||