| article html file updated | 30 August 2025 14:20 CEST | Update | https://www.mdpi.com/2076-0817/8/2/56 |
| article html file updated | 19 July 2022 17:52 CEST | Update | N/A |
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| article html file updated | 25 April 2019 07:50 CEST | Original file | N/A |
| article pdf uploaded. | 25 April 2019 07:49 CEST | Version of Record | https://www.mdpi.com/2076-0817/8/2/56/pdf |
| article xml uploaded. | 25 April 2019 07:49 CEST | Update | https://www.mdpi.com/2076-0817/8/2/56/xml |
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