| article html file updated | 30 August 2025 00:42 CEST | Update | https://www.mdpi.com/2075-4450/8/2/49 |
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| article xml uploaded. | 9 May 2017 10:59 CEST | Original file | https://www.mdpi.com/2075-4450/8/2/49/xml |
| article pdf uploaded. | 9 May 2017 10:59 CEST | Version of Record | https://www.mdpi.com/2075-4450/8/2/49/pdf |
