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|a 92-3-301484-6
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| 040 |
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|a AR-SmtFML
|c AR-SmtFML
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| 041 |
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|a eng
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| 100 |
1 |
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|a Unesco
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| 245 |
1 |
0 |
|a Development of arid and semiarid lands: obstacles and prospects.
|
| 250 |
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| 260 |
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|a Paris - FRAN
|b UNESCO
|c 1977
|
| 300 |
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|a 87p.
|c Amarillo 19x23cm
|
| 490 |
|
0 |
|a MAB technical notes
|v v.6
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| 650 |
|
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|a Ecologia
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| 650 |
|
4 |
|x Zonas Aridas
|x Zonas semiaridas
|x Urbanizacion
|x Agricultura
|x Diversidad
|x Biodiversidad
|x Turismo
|x Recursos naturales
|
| 859 |
|
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|l DOC 01181
|a 128953
|e Don.
|g Fotocopia
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| 901 |
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|a L.C
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| 942 |
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|c BK
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| 999 |
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|c 11088
|d 11088
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