| article html file updated | 13 August 2026 08:18 CEST | Update | https://www.mdpi.com/2076-393X/2/4/841 |
| article html file updated | 6 February 2020 14:22 CET | Update | N/A |
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| article pdf uploaded. | 10 December 2014 14:26 CET | Version of Record | https://www.mdpi.com/2076-393X/2/4/841/pdf |
