| article html file updated | 13 August 2026 07:05 CEST | Update | https://www.mdpi.com/2079-6412/4/4/747 |
| article html file updated | 6 February 2020 13:47 CET | Update | N/A |
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| article pdf uploaded. | 19 November 2014 14:26 CET | Version of Record | https://www.mdpi.com/2079-6412/4/4/747/pdf |
