| article html file updated | 14 August 2026 20:38 CEST | Update | https://www.mdpi.com/1996-1073/11/1/75 |
| article html file updated | 9 February 2020 01:40 CET | Update | N/A |
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| article pdf uploaded. | 8 January 2018 05:57 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/1/75/pdf |
| article html file updated | 1 January 2018 04:52 CET | Original file | N/A |
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