| article html file updated | 13 August 2026 19:54 CEST | Update | https://www.mdpi.com/1999-4893/8/2/177 |
| article html file updated | 6 February 2020 18:24 CET | Update | N/A |
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| article pdf uploaded. | 7 May 2015 11:30 CEST | Version of Record | https://www.mdpi.com/1999-4893/8/2/177/pdf |
