| article html file updated | 30 August 2025 00:25 CEST | Update | https://www.mdpi.com/2076-0817/6/1/8 |
| article html file updated | 16 July 2022 04:53 CEST | Update | N/A |
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| article pdf uploaded. | 19 February 2017 04:03 CET | Updated version of record | https://www.mdpi.com/2076-0817/6/1/8/pdf |
| article pdf uploaded. | 15 February 2017 12:23 CET | Version of Record | https://www.mdpi.com/2076-0817/6/1/8/pdf-vor |
