| article html file updated | 14 August 2026 23:01 CEST | Update | https://www.mdpi.com/1996-1073/11/3/576 |
| article html file updated | 9 February 2020 08:54 CET | Update | N/A |
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| article pdf uploaded. | 12 March 2018 07:26 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/3/576/pdf |
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