Dr. Mattie Burkert

@Mattie_Burkert

RT @lmrhody: An archive of #dh2013 tweets using TAGS 5.0, updates hourly - https://docs.google.com/spreadsheet/ccc?key=0Ahtd5AWKy-5ydE1iWUhiWDlaM3g4bFV6VTNYVzZBYnc&usp=sharing

7/18/2013, 5:48:46 AM

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