| 000 | 00370nam a2200133Ia 4500 | ||
|---|---|---|---|
| 082 |
_a600 _bOPH |
||
| 245 |
_aThe heart of computers _b: computer systems, technology foundation course units 13 and 14 |
||
| 260 |
_aBletchley Buckinghamshire: _bOpen University Press, _c1972. |
||
| 300 | _a60p. | ||
| 500 | _aPB | ||
| 546 | _aEng | ||
| 650 |
_aTechnology _947511 |
||
| 942 | _cBK | ||
| 999 |
_c6639 _d6639 |
||