| article html file updated | 15 August 2026 00:11 CEST | Update | https://www.mdpi.com/1996-1073/11/4/847 |
| article html file updated | 30 August 2025 03:20 CEST | Update | N/A |
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| article html file updated | 5 April 2018 14:23 CEST | Original file | N/A |
| article xml uploaded. | 5 April 2018 14:21 CEST | Update | https://www.mdpi.com/1996-1073/11/4/847/xml |
| article pdf uploaded. | 5 April 2018 14:21 CEST | Updated version of record | https://www.mdpi.com/1996-1073/11/4/847/pdf |
| article pdf uploaded. | 4 April 2018 17:58 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/4/847/pdf-vor |
