| article html file updated | 14 August 2026 15:14 CEST | Update | https://www.mdpi.com/1996-1073/10/6/823 |
| article html file updated | 8 February 2020 08:38 CET | Update | N/A |
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| article xml uploaded. | 21 June 2017 10:30 CEST | Update | https://www.mdpi.com/1996-1073/10/6/823/xml |
| article pdf uploaded. | 21 June 2017 10:30 CEST | Updated version of record | https://www.mdpi.com/1996-1073/10/6/823/pdf |
| article html file updated | 18 June 2017 22:33 CEST | Original file | N/A |
| article pdf uploaded. | 18 June 2017 12:38 CEST | Version of Record | https://www.mdpi.com/1996-1073/10/6/823/pdf-vor |
