Issue 113
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Front matter
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Table of Contents
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Miscellaneous
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Association News: Bericht über die Jahresversammlung in Villars sur Ollon
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1
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Miscellaneous
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6
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Article: Die schweizerische Erdölfrage 1980
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7
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Book review: Buchbesprechungen
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20
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Article: Stand der Entwicklung der Geothermischen Energie in der Bundesrepublik Deutschland
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21
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Rubric: Bilder aus früheren Zeiten
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28
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Article: Geothermische Prospektionsmethoden
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29
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Article: Oil search in the heart of Africa : a working hypothesis
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31
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Association News: Nachrichten
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38
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Obituary: Jakob Wintsch
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39
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Obituary: Dr. Arnold Holliger
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40
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Miscellaneous
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