| article html file updated | 9 February 2020 14:32 CET | Update | https://www.mdpi.com/2079-9268/8/2/11 |
| article html file updated | 2 October 2019 19:05 CEST | Update | N/A |
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| article html file updated | 19 April 2018 14:23 CEST | Original file | N/A |
| article xml uploaded. | 19 April 2018 14:22 CEST | Original file | https://www.mdpi.com/2079-9268/8/2/11/xml |
| article pdf uploaded. | 19 April 2018 14:22 CEST | Version of Record | https://www.mdpi.com/2079-9268/8/2/11/pdf |
