| article html file updated | 14 August 2026 20:40 CEST | Update | https://www.mdpi.com/1996-1073/11/1/99 |
| article html file updated | 9 February 2020 01:49 CET | Update | N/A |
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| article pdf uploaded. | 23 January 2018 05:35 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/1/99/pdf |
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| article html file updated | 2 January 2018 21:00 CET | Original file | N/A |
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