| article html file updated | 13 August 2026 19:45 CEST | Update | https://www.mdpi.com/2077-1312/3/2/193 |
| article html file updated | 6 February 2020 18:20 CET | Update | N/A |
| article html file updated | 6 May 2019 20:38 CEST | Update | N/A |
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| article html file updated | 27 October 2017 11:29 CEST | Original file | N/A |
| article pdf uploaded. | 5 May 2015 13:43 CEST | Version of Record | https://www.mdpi.com/2077-1312/3/2/193/pdf |
