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00908nam a2200253 u 4500 |
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000346138 |
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20070205162658.0 |
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1985 s1985 xxu ||||| eng |
| 035 |
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|a 116898
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| 040 |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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|a eng
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| 082 |
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|a 338.173.104
|b H429s
|2 21
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| 100 |
1 |
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|a Hazell, P.B.R.
|e Autor/a
|4 aut
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| 245 |
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|a Sources of increased variability in world cereal production since the 1960s /
|c Peter B. R. Hazell
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| 260 |
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|a Washington :
|b International Food Policy Research Institute,
|c 1985.
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| 300 |
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|a 145-159 páginas
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| 500 |
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|a Reprinted from the journal of Agricultural Economics. Vol. 36, No, 2, May 1985.. Datos tomados de la cubierta.
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| 650 |
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|a GRANOS
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| 650 |
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|x VARIEDADES
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| 650 |
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|x PRODUCCION
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| 900 |
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|a 2007
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| 912 |
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|a 05-FEB-2007 - BENAVIDES TRIGUEROS, MARIA CLOTILDE
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| 949 |
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|a CB -CB
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| 916 |
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|a Library of Congress
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