| 000 | 00481aab a2200133 4500 | ||
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| 999 |
_c11003 _d11003 |
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| 008 | 141010b2004 xxu||||| |||| 00| 0 eng d | ||
| 245 |
_a The spirit of exploration / _cGeorge Musser |
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| 260 |
_cMar. 2004. _aNew York : _bScientific American ; |
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| 300 | _app. 24-29 | ||
| 440 |
_aScientific American _vVol. 290, No. 3 _913836 |
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| 650 |
_aSpace Exploration : Mars _913837 |
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| 856 | _uhttp://www.scientificamerican.com/article.cfm?id=the-spirit-of-exploration | ||
| 942 |
_2ddc _cBV |
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