| article html file updated | 29 August 2025 23:15 CEST | Update | https://www.mdpi.com/1996-1944/9/6/497 |
| article html file updated | 16 July 2022 02:40 CEST | Update | N/A |
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| article html file updated | 21 June 2016 12:28 CEST | Original file | N/A |
| article xml uploaded. | 21 June 2016 12:26 CEST | Update | https://www.mdpi.com/1996-1944/9/6/497/xml |
| article pdf uploaded. | 21 June 2016 12:26 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/6/497/pdf |
