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|a 9681321537
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| 082 |
0 |
4 |
|a 363.7
|b THE
|2 21
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| 110 |
2 |
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|a The Earth Works Group
|e author
|9 539716
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| 245 |
1 |
0 |
|a 50 cosas sencillas para salvar a la tierra
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| 250 |
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|a 1a. ed
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| 300 |
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|a 147 p
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| 942 |
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|c BK
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| 945 |
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|d 20090818 00:00:00
|a ccalabra
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| 260 |
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|a Ciudad de México
|b Diana
|c 1991
|
| 650 |
|
7 |
|a CONTAMINACION
|2 CL-VaPUC
|9 258139
|
| 650 |
|
0 |
|a Medio ambiente
|9 257625
|
| 650 |
|
0 |
|a Ecología
|9 258124
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| 650 |
|
7 |
|a ECOSISTEMA
|2 CL-VaPUC
|9 347937
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| 650 |
|
7 |
|a POLUCION
|2 CL-VaPUC
|9 373003
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| 650 |
|
0 |
|a Política ambiental
|9 262970
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| 583 |
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|a last modification
|c 20090818 00:00:00
|k Rodrigo Vera
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| 490 |
0 |
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|a Ecología
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| 999 |
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|c 335559
|d 335557
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