| article html file updated | 15 August 2026 21:35 CEST | Update | https://www.mdpi.com/2077-0383/8/4/503 |
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| article html file updated | 12 April 2019 10:56 CEST | Original file | N/A |
| article pdf uploaded. | 12 April 2019 10:54 CEST | Version of Record | https://www.mdpi.com/2077-0383/8/4/503/pdf |
| article xml uploaded. | 12 April 2019 10:54 CEST | Update | https://www.mdpi.com/2077-0383/8/4/503/xml |
| article xml file uploaded | 12 April 2019 10:54 CEST | Original file | N/A |
