| article html file updated | 29 August 2025 22:49 CEST | Update | https://www.mdpi.com/1999-4893/9/1/18 |
| article html file updated | 16 July 2022 01:57 CEST | Update | N/A |
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| article html file updated | 28 March 2016 11:34 CEST | Original file | N/A |
| article pdf uploaded. | 11 March 2016 11:03 CET | Version of Record | https://www.mdpi.com/1999-4893/9/1/18/pdf |
| article xml uploaded. | 11 March 2016 11:03 CET | Original file | https://www.mdpi.com/1999-4893/9/1/18/xml |
