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| 100 | 1 | _aBronkhurst, Martin | |
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_aInvestigating Light _cMartin Bronkhurst ; Jeremy Gower |
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_aLondon _bWorld Book International _c1994 |
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_aYoung Scientist _v12 |
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| 650 | 1 | 4 | _aEnglish Encyclopedias |
| 650 | 1 | 4 | _aدوائر المعارف الإنجليزية |
| 700 | 1 | _aGower, Jeremy (Illustartions ) | |
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