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| 003 | ES-SlBCS | ||
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| 008 | 140529s1990 xxu||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
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_aSteger, Will _9153277 |
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_aSix Across Antarctica: Into the teeth of the ice _c Will Steger |
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_aAntártida _9153354 |
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_tNational Geographic _gnº. 5, 1990, págs. 66-95 _wRev289 |
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