| article html file updated | 14 August 2026 15:13 CEST | Update | https://www.mdpi.com/2311-5629/3/2/19 |
| article html file updated | 8 February 2020 08:33 CET | Update | N/A |
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| article pdf uploaded. | 17 June 2017 09:03 CEST | Version of Record | https://www.mdpi.com/2311-5629/3/2/19/pdf |
