| article html file updated | 9 February 2020 16:42 CET | Update | https://www.mdpi.com/2073-4360/10/5/509 |
| article html file updated | 3 October 2019 08:20 CEST | Update | - |
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| article xml uploaded. | 8 May 2018 09:46 CEST | Update | https://www.mdpi.com/2073-4360/10/5/509/xml |
| article pdf uploaded. | 8 May 2018 09:46 CEST | Updated version of record | https://www.mdpi.com/2073-4360/10/5/509/pdf |
| article html file updated | 7 May 2018 17:21 CEST | Original file | - |
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