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981014s1962 cr ||||| spa |
| 035 |
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|a 3277293
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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| 041 |
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|a spa
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| 082 |
0 |
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|a 633.73
|b G311D
|2 00
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| 100 |
1 |
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|a Gehrke V., Malcolm R.
|d 1938-
|e Autor/a
|4 aut
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| 245 |
1 |
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|a Distribution of absorbing roots of coffee (Coffea arabica L.) and rubber (Hevea brasiliensis Muell. Arg.) in mixed plantings in two ecological zones of Costa Rica /
|c by Malcolm R. Gehrke V.
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| 260 |
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|a Turrialba, C.R. :
|b M.R. Gehrke V.,
|c 1962.
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| 300 |
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|a vii, 177 hojas :
|b ilustraciones, fotos, transparencias
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| 500 |
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|a Tesis (Magister Agriculturae)-- Instituto Interamericano de Ciencias Agrícolas de la OEA, 1962
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| 650 |
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|a CAFE
|x CULTIVO
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| 650 |
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|a CAUCHO
|x CULTIVO
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| 916 |
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|a Reconversión
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