| article html file updated | 14 August 2026 15:10 CEST | Update | https://www.mdpi.com/2227-7080/5/2/36 |
| article html file updated | 8 February 2020 08:20 CET | Update | N/A |
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| article pdf uploaded. | 5 July 2017 09:52 CEST | Updated version of record | https://www.mdpi.com/2227-7080/5/2/36/pdf |
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