| article html file updated | 30 August 2025 15:20 CEST | Update | https://www.mdpi.com/2076-0817/8/2/71 |
| article html file updated | 19 July 2022 18:53 CEST | Update | - |
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| article html file updated | 25 June 2019 06:04 CEST | Original file | - |
| article pdf uploaded. | 25 June 2019 06:02 CEST | Updated version of record | https://www.mdpi.com/2076-0817/8/2/71/pdf |
| article xml uploaded. | 25 June 2019 06:02 CEST | Update | https://www.mdpi.com/2076-0817/8/2/71/xml |
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| article pdf uploaded. | 23 May 2019 04:16 CEST | Updated version of record | https://www.mdpi.com/2076-0817/8/2/71/pdf-vor |
| article pdf uploaded. | 21 May 2019 15:57 CEST | Version of Record | https://www.mdpi.com/2076-0817/8/2/71/pdf-vor |
| article xml file uploaded | 21 May 2019 15:57 CEST | Original file | - |
