| article html file updated | 31 August 2025 05:05 CEST | Update | https://www.mdpi.com/2079-9276/8/4/177 |
| article html file updated | 19 July 2022 23:09 CEST | Update | - |
| article html file updated | 14 February 2020 12:36 CET | Update | - |
| article html file updated | 30 December 2019 23:44 CET | Update | - |
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| article pdf uploaded. | 2 December 2019 05:01 CET | Updated version of record | https://www.mdpi.com/2079-9276/8/4/177/pdf |
| article xml uploaded. | 2 December 2019 05:01 CET | Update | https://www.mdpi.com/2079-9276/8/4/177/xml |
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| article pdf uploaded. | 24 November 2019 09:43 CET | Version of Record | https://www.mdpi.com/2079-9276/8/4/177/pdf-vor |
| article xml file uploaded | 24 November 2019 09:43 CET | Original file | - |
