| article html file updated | 17 August 2026 01:13 CEST | Update | https://www.mdpi.com/2076-393X/8/1/51 |
| article html file updated | 31 August 2025 10:08 CEST | Update | N/A |
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| article pdf uploaded. | 23 March 2020 16:18 CET | Updated version of record | https://www.mdpi.com/2076-393X/8/1/51/pdf |
| article xml uploaded. | 23 March 2020 16:18 CET | Update | https://www.mdpi.com/2076-393X/8/1/51/xml |
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| article pdf uploaded. | 28 January 2020 15:26 CET | Version of Record | https://www.mdpi.com/2076-393X/8/1/51/pdf-vor |
| article xml file uploaded | 28 January 2020 15:26 CET | Original file | N/A |
