| article html file updated | 13 August 2026 02:13 CEST | Update | https://www.mdpi.com/2227-9032/2/3/299 |
| article html file updated | 6 February 2020 11:00 CET | Update | N/A |
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| article pdf uploaded. | 25 July 2014 11:38 CEST | Version of Record | https://www.mdpi.com/2227-9032/2/3/299/pdf |
