| article html file updated | 7 February 2020 08:38 CET | Update | https://www.mdpi.com/2072-6643/8/5/283 |
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| article xml uploaded. | 13 May 2016 15:58 CEST | Update | https://www.mdpi.com/2072-6643/8/5/283/xml |
| article pdf uploaded. | 13 May 2016 15:58 CEST | Version of Record | https://www.mdpi.com/2072-6643/8/5/283/pdf |