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| LEADER |
01020nam a2200385 i 4500 |
| 007 |
ta |
| 040 |
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|a Universidad Nacional Agraria
|b spa
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| 907 |
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|a P01
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| 911 |
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|a MS
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| 980 |
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|a EMF
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| 981 |
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|a 24/03/2022
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| 991 |
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|a DOC
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| 991 |
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|a ACTUALIZACION DE REGISTRO 1998
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| 991 |
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|a EMF180322
|
| 035 |
|
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|a 008623
|
| 041 |
|
|
|a spa
|
| 092 |
|
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|a P01 C346
|
| 100 |
1 |
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|a Castañeda Salguero, Cesar
|
| 700 |
1 |
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|a Ayala Vargas, Helmer
|
| 245 |
1 |
0 |
|a Vida en la zona semiárida de Guatemala
|
| 260 |
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|a Guatemala (Guatemala) :
|b ,
|c 1996
|
| 264 |
|
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|a Guatemala (Guatemala) :
|b ,
|c 1996
|
| 300 |
|
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|a 36 p.
|
| 490 |
|
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|a Cuadernos Chac (Guatemala)
|
| 500 |
|
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|a Ilus.; 6 ref.
|
| 650 |
|
7 |
|a BOSQUE TROPICAL
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| 650 |
|
7 |
|a ZONA SEMIARIDA
|
| 650 |
|
7 |
|a ENTORNO SOCIOECONOMICO
|
| 650 |
|
7 |
|a BIODIVERSIDAD
|
| 650 |
|
7 |
|a ECOSISTEMA
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| 650 |
|
7 |
|a PAISAJE
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| 650 |
|
7 |
|a GUATEMALA
|
| 942 |
|
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|c BK
|2 agris
|
| 952 |
|
|
|a 01
|b 01
|8 CG
|c CG
|y BK
|p D1781/97c01
|o P01 C346
|
| 952 |
|
|
|a 01
|b 01
|8 CG
|c CG
|y BK
|p D1302/98c02
|o P01 C346
|