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Issue 104
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Front matter
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Table of Contents
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Miscellaneous
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Article: The rare earths : industry and applications
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1
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Article: Land use mapping with LANDSAT-1 imagery and CC tapes in Tamil Nadu, South India
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29
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Rubric: Welt-Erdöl-Statistik
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43
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Association News: Nachrichten
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46
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Obituary: Dr. Ernst Frei
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47
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Issue 105
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_
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Front matter
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_
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Table of Contents
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_
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Miscellaneous
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_
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Association News: Bericht über die Jahresversammlung in Neuenburg
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1
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Association News: Bericht über die Jahresversammlung in Weissbad/Appenzell
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5
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Book review: Buchbesprechungen
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9
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Article: Die schweizerische Erdölfrage 1976
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11
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Article: Oxydation des calcaires mésozoïques sous la molasse du plateau suisse et paléokarst
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21
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Obituary: Dr. Hans Jakob Fichter
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29
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Association News: Nachrichten
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31
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Miscellaneous
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32
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