| article html file updated | 30 August 2025 02:04 CEST | Update | https://www.mdpi.com/1996-1073/11/1/28 |
| article html file updated | 16 July 2022 08:08 CEST | Update | N/A |
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| article html file updated | 29 December 2017 10:29 CET | Update | N/A |
| article xml uploaded. | 29 December 2017 10:28 CET | Update | https://www.mdpi.com/1996-1073/11/1/28/xml |
| article xml uploaded. | 29 December 2017 10:28 CET | Update | N/A |
| article pdf uploaded. | 29 December 2017 10:28 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/1/28/pdf |
| article html file updated | 25 December 2017 03:46 CET | Update | N/A |
| article xml uploaded. | 25 December 2017 03:45 CET | Update | N/A |
| article pdf uploaded. | 25 December 2017 03:45 CET | Updated version of record | https://www.mdpi.com/1996-1073/11/1/28/pdf-vor |
| article html file updated | 23 December 2017 13:39 CET | Original file | N/A |
| article pdf uploaded. | 23 December 2017 13:37 CET | Version of Record | https://www.mdpi.com/1996-1073/11/1/28/pdf-vor |
| article xml uploaded. | 23 December 2017 13:37 CET | Original file | N/A |