GL/574.52/B528/1921/sp
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Migración en aves: tratado teórico y práctico
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Bernis M., Francisco
|
19970429
|
19970429
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GL/549.09/B534/1922/sp
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Mineralogía
| |
Berry, L. E
|
19970429
|
19970429
|
GL/598.29729/B576/1923/sp
|
Las aves de Puerto Rico
| |
Biaggi, Virgilio
|
19970429
|
19970429
|
GL/598.2972/B637/1924/en
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Birds of Mexico: a guide for field identification
| |
Blake, Emmet Reid
|
19970429
|
19970429
|
|
Tratamiento curativo de papilomatosis canina y humana a partir del Caimito morado
| |
Vallejo, Germán
|
19970717
| |
GL/333.72/B658m/1926/sp
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Ministerio del Medio Ambiente: última oportunidad
| |
Blum de Barberi, Claudia
|
19970504
|
19970504
|
GL/551/R454/1927/en
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Revolution in the earth sciences: advances in the past half-century
| |
Boardman, Shelby, ed
|
19970504
|
19970504
|
GL/581/B687/1928/en
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The plant kingdom
| |
Bold, Harold C
|
19970504
|
19970504
|
GL/598.29729/B711/1929/en
|
Birds of the West Indies
| |
Bond, James
|
19970504
|
19970504
|
|
Pautas para el desarrollo de la educación ambiental
| |
Jaramillo Plitt, José
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19970805
| |