| article html file updated | 15 August 2026 05:59 CEST | Update | https://www.mdpi.com/1996-1073/11/8/2138 |
| article html file updated | 10 February 2020 06:13 CET | Update | N/A |
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| article html file updated | 16 August 2018 14:49 CEST | Original file | N/A |
| article pdf uploaded. | 16 August 2018 14:48 CEST | Version of Record | https://www.mdpi.com/1996-1073/11/8/2138/pdf |
| article xml uploaded. | 16 August 2018 14:48 CEST | Update | https://www.mdpi.com/1996-1073/11/8/2138/xml |
| article xml file uploaded | 16 August 2018 14:48 CEST | Original file | N/A |
