000 | 00294 a2200109 4500 | ||
---|---|---|---|
082 |
_a510 _bOPM |
||
245 |
_aNumber systems _b: mathematics foundation course unit 34 |
||
260 |
_aBletchley Bucks: _bOpen University Press, _c1971. |
||
300 | _a53p. | ||
650 |
_aMathematics _9198447 |
||
942 | _cBK | ||
999 |
_c153197 _d153197 |