| article html file updated | 29 August 2025 22:54 CEST | Update | https://www.mdpi.com/1996-1944/9/4/259 |
| article html file updated | 16 July 2022 02:06 CEST | Update | N/A |
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| article html file updated | 31 March 2016 09:47 CEST | Original file | N/A |
| article xml uploaded. | 31 March 2016 09:46 CEST | Original file | https://www.mdpi.com/1996-1944/9/4/259/xml |
| article pdf uploaded. | 31 March 2016 09:46 CEST | Version of Record | https://www.mdpi.com/1996-1944/9/4/259/pdf |
