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031126s1977 xxu ||||| eng |
| 035 |
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|a 7675663
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| 040 |
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|a Sistema de Bibliotecas de la Universidad de Costa Rica
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| 041 |
0 |
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|a eng
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| 082 |
0 |
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|a 595.7
|b V714i
|2 00
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| 100 |
1 |
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|a Villacorta, Amador
|d 1935-
|e Autor/a
|4 aut
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| 245 |
1 |
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|a Influence of nutrition, light, and temperature on the development of the wheat stem sawfly, Cephus cinctus Norton /
|c Amador Villacorta
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| 260 |
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|a Ann Arbor, Michigan :
|b University Microfilms,
|c 1977.
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| 300 |
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|a 1 carrete de microfilme :
|b ilustraciones ;
|c 35 mm.
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| 500 |
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|a Presentada originalmente como la tesis del autor (Doctor Philosphy)-- North Dakota State University, 1970
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| 650 |
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|a ENTOMOLOGIA
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| 650 |
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|a TRIGO
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| 650 |
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|x ENFERMEDADES Y PLAGAS
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| 650 |
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|a INSECTOS UTILES Y PERJUDICIALES
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| 949 |
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|a JC. -Tatiana
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| 916 |
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|a Reconversión
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