| article html file updated | 15 August 2026 21:55 CEST | Update | https://www.mdpi.com/2076-3921/8/4/104 |
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| article pdf uploaded. | 17 April 2019 10:03 CEST | Version of Record | https://www.mdpi.com/2076-3921/8/4/104/pdf |
| article xml uploaded. | 17 April 2019 10:03 CEST | Update | https://www.mdpi.com/2076-3921/8/4/104/xml |
| article xml file uploaded | 17 April 2019 10:03 CEST | Original file | N/A |
