| article html file updated | 29 August 2025 21:31 CEST | Update | https://www.mdpi.com/2079-9276/4/1/70 |
| article html file updated | 15 July 2022 23:52 CEST | Update | N/A |
| article html file updated | 6 February 2020 15:56 CET | Update | N/A |
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| article pdf uploaded. | 12 February 2015 15:03 CET | Version of Record | https://www.mdpi.com/2079-9276/4/1/70/pdf |
