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00821nam a2200229 u 4500 |
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20110720143301.0 |
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s1980 s1980 xxu ||||| eng |
| 035 |
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|a 97579
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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 |
0 |
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|a 551.3
|b W584e
|2 00
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| 100 |
1 |
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|a White, Gerald Bell
|e Autor/a
|4 aut
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1 |
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|a Economic impact of sedimentation and erosion-control plans on selected commercial dairy farms in Pennsylvania /
|c Gerald B. White and Earl J. Partenheimer. --
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| 260 |
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|a Pennsylvania :
|b Pennsylvania State University,
|c 1980.
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| 300 |
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|a 26 páginas :
|b ilustraciones ;
|c 29 cm.--
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| 490 |
0 |
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|a Bulletin
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| 650 |
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|a EROSION
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| 650 |
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|a SEDIMENTACION
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| 700 |
1 |
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|a Partenheimer, Earl J.
|e Autor/a
|4 aut
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| 949 |
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|a -LQ b RSQ
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| 916 |
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|a Registros del LS-2000
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