| article html file updated | 12 August 2026 19:26 CEST | Update | https://www.mdpi.com/2073-4395/3/2/488 |
| article html file updated | 6 February 2020 02:37 CET | Update | N/A |
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| article pdf uploaded. | 14 June 2013 11:20 CEST | Version of Record | https://www.mdpi.com/2073-4395/3/2/488/pdf |
