| article html file updated | 12 August 2026 19:04 CEST | Update | https://www.mdpi.com/2072-6651/5/4/683 |
| article html file updated | 6 February 2020 01:36 CET | Update | N/A |
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| article pdf uploaded. | 23 April 2013 17:17 CEST | Updated version of record | https://www.mdpi.com/2072-6651/5/4/683/pdf |
| article pdf uploaded. | 18 April 2013 12:02 CEST | Version of Record | https://www.mdpi.com/2072-6651/5/4/683/pdf-vor |
