| 000 | 00341nam a2200145 4500 | ||
|---|---|---|---|
| 001 | 2138 | ||
| 005 | 20181127164625.0 | ||
| 020 | 0 | 0 | _a |
| 090 | 0 | 0 | _a621.8 O132m 1964 |
| 100 | 0 | 0 | _aO'Brien Robert. |
| 245 | 0 | 0 |
_aMachines / _b _cRobert O' Brien _h |
| 260 | 0 | 0 |
_aNew York : _bTime-Life Books, _c1964. |
| 300 | 0 | 0 | _a200 p. |
| 650 | 0 | 0 |
_aSimple machines. _x |
| 999 |
_c1682 _d1682 |
||