| article html file updated | 31 August 2025 05:08 CEST | Update | https://www.mdpi.com/2225-1154/7/12/134 |
| article html file updated | 19 July 2022 23:06 CEST | Update | - |
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| article html file updated | 4 December 2019 03:33 CET | Update | - |
| article pdf uploaded. | 4 December 2019 03:31 CET | Updated version of record | https://www.mdpi.com/2225-1154/7/12/134/pdf |
| article xml uploaded. | 4 December 2019 03:31 CET | Update | https://www.mdpi.com/2225-1154/7/12/134/xml |
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| article html file updated | 25 November 2019 13:22 CET | Original file | - |
| article pdf uploaded. | 25 November 2019 13:21 CET | Version of Record | https://www.mdpi.com/2225-1154/7/12/134/pdf-vor |
| article xml uploaded. | 25 November 2019 13:20 CET | Update | - |
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