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| 037 | _aTextual | ||
| 040 |
_aFEDL _beng _cFEDL |
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| 041 |
_aeng _2eng |
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| 084 |
_a500, PER _qFEDL |
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| 100 |
_aPerkins W H Ed. _9764182 |
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| 245 | 0 | _aScience in schools | |
| 260 |
_aLondon, UK _bButterworths Scientific Publications _c1958 |
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| 300 | _a150p. | ||
| 942 |
_cTEXL _h500, PER |
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| 999 |
_c1344466 _d1344466 |
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