| article html file updated | 30 August 2025 11:04 CEST | Update | https://www.mdpi.com/1996-1073/12/2/261 |
| article html file updated | 17 July 2022 23:29 CEST | Update | N/A |
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| article html file updated | 29 January 2019 10:46 CET | Update | N/A |
| article html file updated | 23 January 2019 04:42 CET | Original file | N/A |
| article pdf uploaded. | 23 January 2019 04:40 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/2/261/pdf |
| article xml uploaded. | 23 January 2019 04:40 CET | Update | https://www.mdpi.com/1996-1073/12/2/261/xml |
| article xml file uploaded | 23 January 2019 04:40 CET | Update | N/A |
| article pdf uploaded. | 23 January 2019 04:22 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/2/261/pdf-vor |
| article xml uploaded. | 23 January 2019 04:22 CET | Update | N/A |
| article xml file uploaded | 23 January 2019 04:22 CET | Update | N/A |
| article pdf uploaded. | 15 January 2019 15:39 CET | Updated version of record | https://www.mdpi.com/1996-1073/12/2/261/pdf-vor |
| article xml file uploaded | 15 January 2019 15:34 CET | Original file | N/A |
| article pdf uploaded. | 15 January 2019 15:34 CET | Version of Record | https://www.mdpi.com/1996-1073/12/2/261/pdf-vor |