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AR-CrUNPB |
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170901s1995 fr r 000 0 spa d |
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|a AR-CrUNPB
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| 082 |
0 |
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|a 333.951 6/B.26
|2 20
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| 100 |
1 |
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|a Boege, Eckard
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| 245 |
1 |
4 |
|a The Calakmul biosphere reserve (Mexico) /
|c Eckard Boege
|
| 255 |
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|a .951 6
|
| 260 |
|
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|a París :
|b Unesco,
|c 1995
|
| 300 |
|
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|a 39 p
|
| 490 |
0 |
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|a Working papers ;
|v 13
|
| 590 |
|
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|a Registros migrados a formato MARC
|
| 650 |
|
7 |
|a DESARROLLO SOSTENIBLE
|9 2581
|
| 650 |
|
7 |
|a RESERVAS NATURALES
|2 Unescot
|9 5578
|
| 650 |
|
7 |
|a CONSERVACION DE RECURSOS
|2 Unescot
|9 2218
|
| 650 |
|
7 |
|a CONSERVACION DE LA NATURALEZA
|2 Unescot
|9 2217
|
| 650 |
|
7 |
|a RECURSOS PROTEGIDOS
|2 Unescot
|9 5461
|
| 942 |
|
|
|c BK
|
| 910 |
|
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|a bw020918
|
| 999 |
|
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|c 67675
|d 67675
|