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LIBRI-018147 |
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AR-CrUNPB |
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ta |
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170901s1971 xxu r 000 0 eng d |
| 040 |
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|a AR-CrUNPB
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| 082 |
0 |
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|a 333.72/B.29
|2 20
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| 100 |
1 |
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|a Brainerd, John W
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| 245 |
1 |
0 |
|a Nature study for conservation :
|b a handbook for environmental education /
|c John W Brainerd
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| 255 |
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|a .72
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| 260 |
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|a New York :
|b MacMillan,
|c 1971
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| 300 |
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|a xiii; 352 p
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| 590 |
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|a Registros migrados a formato MARC
|
| 650 |
|
7 |
|a CONSERVACION DE RECURSOS
|2 Unescot
|9 2218
|
| 650 |
|
7 |
|a RECURSOS NATURALES
|2 Unescot
|9 5455
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| 650 |
|
7 |
|a EDUCACION AMBIENTAL
|2 Unescot
|9 2807
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| 942 |
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|c BK
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| 910 |
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|a ms040518
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| 999 |
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|c 69520
|d 69520
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