| article html file updated | 14 August 2026 16:18 CEST | Update | https://www.mdpi.com/2227-9032/5/3/39 |
| article html file updated | 8 February 2020 12:23 CET | Update | N/A |
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| article pdf uploaded. | 31 July 2017 10:41 CEST | Version of Record | https://www.mdpi.com/2227-9032/5/3/39/pdf |
