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00782nam a22002171a 4500 |
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UNA01000065274 |
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20210927144909.0 |
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080728s1979 xxu 000 0 eng d |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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0 |
4 |
|a 598.97
|b O-97-o
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0 |
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|a Owls of the west :
|b their ecology and conservation /
|c Philip P. Schaeffer and Sharyn Marie Ehlers editors.
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| 260 |
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|a California :
|b National Audubon Society ,
|c 1979.
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| 300 |
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|a 97 páginas.
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| 500 |
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|a Proceeding of the National Audubon Society Symposium
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| 650 |
0 |
4 |
|a AVES
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| 650 |
0 |
4 |
|a PÁJAROS PREDADORES
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| 650 |
0 |
4 |
|a STRIGIDAE
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| 650 |
0 |
4 |
|a ECOLOGIA ANIMAL
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| 650 |
0 |
4 |
|a PROTECCION DE LAS AVES
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| 700 |
1 |
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|a Ehlers, Sharyn Marie,
|e editora
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| 700 |
1 |
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|a Schaeffer, Philip P.,
|e editor
|