| article html file updated | 29 August 2025 23:15 CEST | Update | https://www.mdpi.com/1999-4915/8/6/173 |
| article html file updated | 16 July 2022 02:40 CEST | Update | N/A |
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| article xml uploaded. | 21 June 2016 09:21 CEST | Original file | https://www.mdpi.com/1999-4915/8/6/173/xml |
| article pdf uploaded. | 21 June 2016 09:21 CEST | Version of Record | https://www.mdpi.com/1999-4915/8/6/173/pdf |
