| article html file updated | 31 August 2025 10:47 CEST | Update | https://www.mdpi.com/2226-4787/8/1/16 |
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| article html file updated | 2 April 2020 12:21 CEST | Update | - |
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| article pdf uploaded. | 26 March 2020 09:09 CET | Updated version of record | https://www.mdpi.com/2226-4787/8/1/16/pdf |
| article xml uploaded. | 26 March 2020 09:09 CET | Update | https://www.mdpi.com/2226-4787/8/1/16/xml |
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| article pdf uploaded. | 5 February 2020 13:08 CET | Version of Record | https://www.mdpi.com/2226-4787/8/1/16/pdf-vor |
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