Perhaps you should try some spelling variations:
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"a geographic data paper i/2011" » "a demographic data paper i/2011", "a geography data paper i/2011", "a geographic atlas paper i/2011", "_ geographic data paper i/2011", "1 geographic data paper i/2011", "a geographical data paper i/2011", "a geographic data power i/2011", "a geographic data pattern i/2011", "a geographic data paper _/2011"

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