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Issue 1-2
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Front matter
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Table of Contents
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Miscellaneous
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Association News: Jahresbericht des Präsidenten für das Vereinsjahr 1979 - 80
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1
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Article: Le gisement de traces de dinosaures du Vieux-Emosson, Valais
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4
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Article: Die Funktionsweise natürlicher Ökosysteme als Massstab zur Beurteilung und Sanierung von Umweltproblemen
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5
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Article: Problèmes actuels de la protection de l'environnement en Suisse
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6
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Article: L'eau dans les roches calcaires
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12
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Rubric: Le Musée d'histoire naturelle de Fribourg
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21
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Rubric: Rapport de la Ligue fribourgeoise pour la protection de la nature
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30
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Obituary: Michel Yerly, docteurs ès sciences naturelles
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32
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Article: Contribution à l'étude de l'entomofaune de la strate arbustive à l'embouchure de la Gérine (Fribourg, Suisse)
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34
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Front matter
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34
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Table of Contents
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34
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Chapter 1: Introduction
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36
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Chapter 2: Description du biotope
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36
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Chapter 3: Méthodes de travail
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42
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Chapter 4: Aperçu générale de l'entomofaune du biotope
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43
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Chapter 5: Discussion de chaque ordre
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48
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Chapter 6: Galles d'Hyménoptère
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124
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Chapter 7: Conclusion
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131
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Chapter 8: Remerciements
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134
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Chapter : Résumé = Zusammenfassung = Summary
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134
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Bibliography
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135
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Rubric: Das meteorologische Jahr
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141
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Miscellaneous
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Back matter
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