| article html file updated | 12 August 2026 20:19 CEST | Update | https://www.mdpi.com/1996-1944/6/9/4198 |
| article html file updated | 6 February 2020 04:27 CET | Update | N/A |
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| article html file updated | 4 February 2017 05:45 CET | Original file | N/A |
| article pdf uploaded. | 18 September 2013 15:41 CEST | Version of Record | https://www.mdpi.com/1996-1944/6/9/4198/pdf |
