| 000 | 00449nam a2200133Ia 4500 | ||
|---|---|---|---|
| 001 | f56226edd17cfee0ff66dbc0949b891a668c611a | ||
| 008 | 140104s9999 xx 000 0 und d | ||
| 100 | _aWilliams, K R | ||
| 245 |
_aNatural calculator: Using the natural process of the mind for mental calculation / _c K R Williams |
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| 250 | _a1st ed. | ||
| 260 |
_bMotilal Banarsidass Publishers Pvt. Ltd., _aNew Delhi : _cc1991. |
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| 942 | _cBK | ||
| 999 |
_c21394 _d21394 |
||