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2
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Mass-wasting -- Ecuador -- Napo (Province) / https://id.loc.gov/authorities/subjects/sh85081911 https://id.loc.gov/authorities/names/n79040584-781
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1991
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1
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3
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Mass-wasting -- Italy. / https://id.loc.gov/authorities/subjects/sh85081911 https://id.loc.gov/authorities/names/n79021783-781
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2009
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1
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