| article html file updated | 30 August 2025 03:31 CEST | Update | https://www.mdpi.com/2076-2615/8/4/57 |
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| article html file updated | 17 April 2018 06:06 CEST | Original file | N/A |
| article pdf uploaded. | 17 April 2018 06:05 CEST | Version of Record | https://www.mdpi.com/2076-2615/8/4/57/pdf |
| article xml uploaded. | 17 April 2018 06:05 CEST | Update | https://www.mdpi.com/2076-2615/8/4/57/xml |
| article xml file uploaded | 17 April 2018 06:05 CEST | Original file | N/A |
