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170505b1985 cr ||||| |||| 00| 0 spa d |
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|a 9977951616
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|a Sistema de Bibliotecas de la Universidad de Panamá
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| 082 |
0 |
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|2 19
|a 630.2815
|b H326c
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| 100 |
1 |
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|9 200227
|a Hart, Robert D.
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| 245 |
1 |
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|a Conceptos básicos sobre agroecosistemas
|c / Robert D. Hart. -
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| 260 |
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|a Turrialba, Costa Rica :
|b Centro Agronómico Tropical de Investigación y Enseñanza,
|c 1985.
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| 300 |
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|a 159 p. :
|b il. ;
|c 24 cm. -
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| 490 |
0 |
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|a Serie Materiales de Enseñanza;
|v No. 1
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| 650 |
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7 |
|2 LEMB
|9 190451
|a SISTEMAS AGRICOLAS
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| 650 |
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7 |
|2 LEMB
|9 158918
|a ECOLOGIA AGRICOLA
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| 856 |
|
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|u http://repositorio.bibliotecaorton.catie.ac.cr/bitstream/handle/11554/891/Conceptos_basicos_sobre_agroecosistemas.pdf;jsessionid=AF5D7C1CB1AD1BD4E5982CE51540F9D1?sequence=1
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|o 630.2815 H326c
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|y BK
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