| article html file updated | 7 February 2020 21:16 CET | Update | https://www.mdpi.com/2077-1444/8/1/10 |
| article html file updated | 4 May 2019 15:45 CEST | Update | N/A |
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| article pdf uploaded. | 17 January 2017 11:16 CET | Updated version of record | https://www.mdpi.com/2077-1444/8/1/10/pdf |
| article html file updated | 11 January 2017 15:41 CET | Update | N/A |
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| article pdf uploaded. | 11 January 2017 15:40 CET | Version of Record | https://www.mdpi.com/2077-1444/8/1/10/pdf-vor |
