| article html file updated | 29 August 2025 22:42 CEST | Update | https://www.mdpi.com/2072-6643/8/2/54 |
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| article pdf uploaded. | 15 February 2016 09:13 CET | Version of Record | https://www.mdpi.com/2072-6643/8/2/54/pdf |
| article xml uploaded. | 15 February 2016 09:13 CET | Original file | https://www.mdpi.com/2072-6643/8/2/54/xml |
