Issue 1
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Front matter
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Table of Contents
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Miscellaneous
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Association News: Rapport du président
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1
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Front matter
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4
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Article: Le rôle des tiques (Ixodoidea) en médecine humaine et vétérinaire
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4
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Article: Geologie : Erze : Weltwirtschaft
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6
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Article: Synthetische Kristalle
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15
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Article: Pesticides et reproduction chez les Oiseaux
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21
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Article: Lärm- und Schallschutz
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23
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Article: Esquisses de Zoogéographie africaine
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25
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Rubric: Le Musée d'histoire naturelle de Fribourg
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58
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Rubric: Rapport de la commission cantonale pour la protection de la nature et du paysage
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61
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Rubric: Das meteorologische Jahr
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65
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Advertising
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66
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Index: Volume 61 (1972) contenu = Volume 61 (1972) Inhaltsverzeichnis
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72
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Back matter
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