| article html file updated | 12 August 2026 22:51 CEST | Update | https://www.mdpi.com/2227-9032/2/1/125 |
| article html file updated | 6 February 2020 07:43 CET | Update | N/A |
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| article pdf uploaded. | 6 March 2014 09:28 CET | Version of Record | https://www.mdpi.com/2227-9032/2/1/125/pdf |
