| article html file updated | 14 August 2026 21:18 CEST | Update | https://www.mdpi.com/1996-1073/11/1/247 |
| article html file updated | 9 February 2020 03:44 CET | Update | N/A |
| article html file updated | 30 September 2019 02:06 CEST | Update | N/A |
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| article html file updated | 20 January 2018 03:50 CET | Original file | N/A |
| article xml uploaded. | 20 January 2018 03:49 CET | Update | https://www.mdpi.com/1996-1073/11/1/247/xml |
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| article pdf uploaded. | 20 January 2018 03:49 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/247/pdf |
