| article html file updated | 29 August 2025 22:04 CEST | Update | https://www.mdpi.com/2218-1997/1/2/199 |
| article html file updated | 16 July 2022 00:49 CEST | Update | N/A |
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| article pdf uploaded. | 27 August 2015 14:08 CEST | Version of Record | https://www.mdpi.com/2218-1997/1/2/199/pdf |
