| 000 | 00355cam a2200133ua 4500 | ||
|---|---|---|---|
| 003 | OSt | ||
| 008 | 210915b ||||| |||| 00| 0 eng d | ||
| 082 |
_a621.317 _bRYD/EA |
||
| 100 |
_aRyder, R W . _95034 |
||
| 245 | _aEarthing principles and practices / | ||
| 260 |
_aLondon : _bSir Isaac Pitman & Sons Ltd , _c1952. |
||
| 300 | _a108 ; . | ||
| 942 | _cBK | ||
| 999 |
_c264074 _d264074 |
||