| article html file updated | 14 August 2026 12:46 CEST | Update | https://www.mdpi.com/1996-1073/10/4/419 |
| article html file updated | 8 February 2020 02:05 CET | Update | N/A |
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| article pdf uploaded. | 23 March 2017 15:55 CET | Version of Record | https://www.mdpi.com/1996-1073/10/4/419/pdf |
