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Izenburua/Título | Idazlea/Autor | Argitaletxea/Editorial |  |
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| Bird Census and Atlas Studies | Stastny, K. & Bejcek, V. | Inst. Conf. On Bird Census and Atla |  | |
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| The Holoceno. An environmental History | Roberts, N. | Blackwell Publishers |  | |
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| Maintaining biodiversity in forest ecosystems | Hunter, M. L. | Cambridge University Press |  | |
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| Quantitative conservation bilogy | Morris, W. F. & Doak, D. F. | Sinauer Associates Inc. |  | |
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| Conservation biology | Pullin, A.S. | Cambridge |  | |
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| Les serpents d | Chippaux, J.P. | |  | |
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| Cat | Pike, S. | Consejo Protec. Natur. Arag |  | |
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| Temperaturas y precipitaciones en la mitad norte de Espa | Saz, M. | Consejo Protec. Natur. Arag |  | |
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| Ingurumarietako Natura | An | CEA |  | |
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| Atlas de las aves nidificantes del Alto Vinalop | Campos, B. | Asociaci |  | |
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| Owls. A guide to the Owls of the World | K | Pica Press |  | |
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| Wildfowl | Madge, S. & Burn, H. | Christopher Helm |  | |
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| The ecology of bird communities. Volume 2 | Wiens. J.A. | Cambridge University Press |  | |
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| The ecology of bird communities. Volume 1 | Wiens. J.A. | Cambridge University Press |  | |
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| Conserving Bird Biodiversity | Norris, K. & Pain, D.J. | Cambridge University Press |  | |
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| Atlas de los mam | Palomo, L.J. & Gisbert, J. | Ministerio de Medio Ambiente |  | |
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| The history of british mammals | Yalden, D. | Poyser Natural History |  | |
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| Measuring and monitoruing biological diversity. Standard Methods of Mammals | Wilson, D.E. et al. | Smithsonian Institution Press |  | |
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| The Wolf. The ecology and behavior of an endangered species. | Mech, D. | University of Minnesota |  | |
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| Carnivore Conservation | Gittleman, J.L. et al. | The Zoological Society of London |  | |
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| The new encyclopedia of Mammals | MacDonald, D. | Andromeda Oxford |  | |
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| Le livre rouge des oiseaux | Rigaud, T. & Granger, M. | LPO Vienne |  | |
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| Setas del Parque Natural de Urkiola | Iglesias, P. | Diputaci |  | |
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| Gipuzkoa. Ferrocarriles y valles | Arzamendi, P. | Gobierno Vasco |  | |
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| Energ | Gobierno Vasco | Gobierno Vasco |  | |
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| Recull herpetol | An | Societat Catalana d'Herpetologia |  | |
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| Conservaci | Camprodon, J. & Plana, E. | Edicions Universitat de Barcelona |  | |
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| Patrimonio arquitect | Palacios, V. | Diputaci |  | |
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| Ferrocariles de monta | Arzamendi, P. | Gobierno Vasco |  | |
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| Montes de triano y Galdames | Direcci | Gobierno Vasco |  | |
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| Charophytes of Great Britian and Ireland | Moore, J.A. | Botanical Society |  | |
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| La perdiz Pardilla (Perdix perdix) en Espa | Lucio, A.J.; Purroy, F.J. & Sa | ICONA |  | |
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| Historia natural del Aguila Imperial Ib | Gonz | ICONA |  | |
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| Aves de Arag | Samprieto, F.J. (Ed) | Diputaci |  | |
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| El Aguilucho Lagunero Circus aeruginosus (L.1748) en Espa | Gonz | ICONA |  | |
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| Aves Marinas de la Pen | Paterson, A. | Edilesa |  | |
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| El Aguila Pescadora (Pandion haliaetus) en Espa | Gonz | ICONA |  | |
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| Ecolog | Blanco, C. & Cort | SECEM |  | |
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| D | L | Ediciones Albarragena |  | |
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| Arkeoikuska 94 | Varios | Gobierno Vasco |  | |
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| Arkeoikuska 92 | Varios | Gobierno Vasco |  | |
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| Arkeoikuska 86 | Varios | Gobierno Vasco |  | |
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| Labeko Koba (Pa | Arrizabalaga, A & Altuna, J. | S. C. Aranzadi |  | |
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| La ruta del ferrocarril Vasco - Navarro trenanren ibilbidea | Arzamendi, P. | Gobierno Vasco |  | |
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| Conservaci | Unesco etxea (cord) | Gobierno Vasco |  | |
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| Aves de Peru | Koepcke, M. | Graphic Arts |  | |
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| Estudio de la flora y vegetaci | Pitarch, R. | Consejo Protec. Natur. Arag |  | |
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| The Historical Atlas of Breeding Birds in Britain and Ireland 1875-1900 | Holoway, S. | T & A D Poyser |  | |
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| Bird migration | Alerstam, T. | Cambridge |  | |
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| The encyclopaedia of Reptiles and Amphibians | Halliday, T. R. & Adler, K. | Andromeda Oxford |  | |
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