| 000 | 00399nam a22001577a 4500 | ||
|---|---|---|---|
| 005 | 20220519150103.0 | ||
| 008 | 091123t xxu||||| |||| 00| 0 eng d | ||
| 082 |
_a651.5 _bMER |
||
| 100 | _aMercer, G. Lawrence | ||
| 245 |
_aPunched card systems _bmanual/2e |
||
| 250 | _a2nd ed. | ||
| 300 | _a27p. | ||
| 653 | _aPunched card systems | ||
| 942 | _cBK | ||
| 260 |
_aLondon _bMacdonald and Evans _c1964 |
||
| 999 |
_c326885 _d326885 |
||