| article html file updated | 7 February 2020 01:28 CET | Update | https://new.mdpi.com/2072-6651/7/12/4865 |
| article html file updated | 6 May 2019 06:32 CEST | Update | - |
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| article pdf uploaded. | 27 November 2015 11:05 CET | Version of Record | https://new.mdpi.com/2072-6651/7/12/4865/pdf |
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