| article html file updated | 14 August 2026 13:41 CEST | Update | https://www.mdpi.com/2073-4441/9/4/260 |
| article html file updated | 8 February 2020 03:00 CET | Update | N/A |
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| article pdf uploaded. | 10 April 2017 09:51 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/4/260/pdf |
| article pdf uploaded. | 6 April 2017 10:46 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/4/260/pdf-vor |
