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| article supplementary file uploaded. | 18 December 2013 19:50 CET | - | https://www.mdpi.com/1422-0067/14/12/24581#supplementary |
| article pdf uploaded. | 17 December 2013 11:55 CET | Version of Record | https://www.mdpi.com/1422-0067/14/12/24581/pdf |
