| article html file updated | 24 December 2025 13:59 CET | Update | https://www.mdpi.com/2225-1154/4/3/44 |
| article html file updated | 29 August 2025 23:36 CEST | Update | N/A |
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| article pdf uploaded. | 8 September 2016 11:00 CEST | Updated version of record | https://www.mdpi.com/2225-1154/4/3/44/pdf |
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