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20120328194102.0 |
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080728s1979 000 0 eng d |
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|a 0304-1131
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| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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|a H630.27
|b A278a
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| 245 |
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|a Agriculture and environment
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| 260 |
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|a [Amsterdam] :
|b Elsevier Scientific ,
|c 1979
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| 300 |
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|a volúmenes ;
|c 24 cm.
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| 310 |
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|a Trimestral. -- Para más información consulte Sección de Hemeroteca
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| 362 |
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|a Vol. 4, no. 4 (Aug. 1979)-
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| 530 |
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|a También disponible en línea, a partir de: 1998 en: http//www.isiknowledge.com
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| 650 |
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4 |
|a AGRICULTURA ORGANICA
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| 650 |
0 |
4 |
|a AGRICULTURA
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| 650 |
0 |
4 |
|a MEDIO AMBIENTE
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| 650 |
0 |
4 |
|a PUBLICACIONES PERIODICAS
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| 866 |
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|a 2(1); Jun,1975
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| 866 |
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|a 2(2); Aug,1975
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| 866 |
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|a 2(3); Oct,1975
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| 866 |
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|a 2(4); Dec,1975
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| 866 |
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|a 3(2-3); Jun,1977
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| 866 |
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|a 3(4); Oct,1977
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| 866 |
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|a 4(1); Apr,1978
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| 866 |
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|a 4(2); Aug,1978
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| 866 |
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|a 4(3); Mar,1979
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| 866 |
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|a 4(4); Aug,1979
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| 866 |
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|a 5(3); Jul,1980
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