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| web | Nafeez Ahmed | The Guardian | 2013-12-23 |
| web | Richard G. Miller and Steven R... | Philosophical Transactions of ... | 2013-12-02 |
| web | Steve Sorrell and Jamie Speirs | Philosophical Transactions of ... | 2013-12-02 |
| web | Mikael Höök, Simon Davidsson, ... | Philosophical Transactions of ... | 2013-12-02 |
| web | Peter M. Jackson and Leta K. S... | Philosophical Transactions of ... | 2013-12-02 |
| web | David J. Murphy | Philosophical Transactions of ... | 2013-12-02 |
| web | Michael Kumhof and Dirk Muir | Philosophical Transactions of ... | 2013-12-02 |
| web | Ann Muggeridge, Andrew Cockin | Philosophical Transactions of ... | 2013-12-02 |
| web | Kenneth J. Chew | Philosophical Transactions of ... | 2013-12-02 |
| web | Mikael H५५k, Dean Fantazzi... | Philosophical Transactions of ... | 2013-12-02 |
| web | Govinda R. Timilsina | Philosophical Transactions of ... | 2013-12-02 |
| web | M. A. Delucchi, C. Yang, A. F.... | Philosophical Transactions of ... | 2013-12-02 |
| web | David Freedman | Philosophical Transactions of ... | 2013-12-02 |
| web | David Shukman | BBC | 2013-07-14 |