| article html file updated | 30 August 2025 03:40 CEST | Update | https://www.mdpi.com/2225-1154/6/2/32 |
| article html file updated | 16 July 2022 11:02 CEST | Update | N/A |
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| article html file updated | 26 April 2018 08:37 CEST | Original file | N/A |
| article pdf uploaded. | 26 April 2018 08:36 CEST | Version of Record | https://www.mdpi.com/2225-1154/6/2/32/pdf |
| article xml uploaded. | 26 April 2018 08:36 CEST | Update | https://www.mdpi.com/2225-1154/6/2/32/xml |
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