| article html file updated | 14 August 2026 15:38 CEST | Update | https://www.mdpi.com/2220-9964/6/7/202 |
| article html file updated | 8 February 2020 10:01 CET | Update | N/A |
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| article pdf uploaded. | 5 July 2017 10:22 CEST | Updated version of record | https://www.mdpi.com/2220-9964/6/7/202/pdf |
| article pdf uploaded. | 4 July 2017 12:38 CEST | Version of Record | https://www.mdpi.com/2220-9964/6/7/202/pdf-vor |
