| article html file updated | 16 August 2026 20:16 CEST | Update | https://www.mdpi.com/2225-1154/7/12/136 |
| article html file updated | 31 August 2025 05:43 CEST | Update | N/A |
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| article html file updated | 14 February 2020 15:50 CET | Update | N/A |
| article html file updated | 6 December 2019 07:44 CET | Original file | N/A |
| article pdf uploaded. | 6 December 2019 07:42 CET | Updated version of record | https://www.mdpi.com/2225-1154/7/12/136/pdf |
| article xml uploaded. | 6 December 2019 07:42 CET | Update | https://www.mdpi.com/2225-1154/7/12/136/xml |
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| article pdf uploaded. | 4 December 2019 15:03 CET | Version of Record | https://www.mdpi.com/2225-1154/7/12/136/pdf-vor |
| article xml file uploaded | 4 December 2019 15:03 CET | Original file | N/A |
