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| At the Prime Minister's Lodge on Australia Day 2012 |
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| Dave's PhD student Tom Rowlands (front row, third from left) graduating from ANU, July 2012. |
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| At Grand Sagneul, Neuchatel, Switzerland, June 2012. |
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| In Perth, WA. July 2012. |
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| In Perth, WA. July 2012. |
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| At Polpeor, Cornwall, July 2011. |
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| In Trinity College Library, Cambridge, October 2011 |
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| Unsure where. |
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| SWIRL conference, Lorne Vic, Jan 2012. |