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| 008 | 991125c19921992mx a 000 0 spa u | ||
| 020 | _a84-7593-046-8 | ||
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| 100 | 1 | _aMargalef, Ramón | |
| 245 | 1 | 0 | _aPlaneta azul, planeta verde |
| 260 |
_aBarcelona : _bPrensa Científica, _c1992 |
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| 300 |
_a265 p. : _bil. ; _c24 cm. |
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| 440 | 0 | _aBiblioteca Scientific American | |
| 650 | 4 | _aEcología | |
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_aLOGICAT _b20 _c20040112 _lCIA01 _h1406 |
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