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_aBD-DhPL _benglish _cBD-DhPL _dBD-DhPL |
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082 | _a540 / P842w | ||
100 | 1 |
_aPosin, Daniel Q. _9124168 |
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245 | 1 | 0 |
_aWhat is chemistry / _cDaniel Q. Posin ; Pictures by William Tanis. |
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_aChicago : _bBenefic Press, _c1961. |
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300 |
_a47 p. : _bill. ; _c21 cm. |
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490 | 0 | _aThe What is it series. | |
508 | _a300 | ||
650 | 0 |
_aChemistry. _9150098 |
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_2ddc _cBK |