| article html file updated | 29 August 2025 22:49 CEST | Update | https://www.mdpi.com/2079-9721/4/1/15 |
| article html file updated | 16 July 2022 01:57 CEST | Update | N/A |
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| article pdf uploaded. | 11 March 2016 11:40 CET | Version of Record | https://www.mdpi.com/2079-9721/4/1/15/pdf |
| article xml uploaded. | 11 March 2016 11:40 CET | Original file | https://www.mdpi.com/2079-9721/4/1/15/xml |
