| article html file updated | 29 August 2025 22:57 CEST | Update | https://www.mdpi.com/2073-4360/8/4/138 |
| article html file updated | 16 July 2022 02:09 CEST | Update | N/A |
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| article xml uploaded. | 11 April 2016 11:17 CEST | Original file | https://www.mdpi.com/2073-4360/8/4/138/xml |
| article pdf uploaded. | 11 April 2016 11:17 CEST | Version of Record | https://www.mdpi.com/2073-4360/8/4/138/pdf |
