| article html file updated | 30 August 2025 01:13 CEST | Update | https://www.mdpi.com/1422-0067/18/9/2000 |
| article html file updated | 16 July 2022 06:23 CEST | Update | N/A |
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| article html file updated | 17 September 2017 11:20 CEST | Original file | N/A |
| article xml uploaded. | 17 September 2017 11:19 CEST | Update | https://www.mdpi.com/1422-0067/18/9/2000/xml |
| article xml uploaded. | 17 September 2017 11:18 CEST | Original file | N/A |
| article pdf uploaded. | 17 September 2017 11:18 CEST | Version of Record | https://www.mdpi.com/1422-0067/18/9/2000/pdf |
