| article html file updated | 30 August 2025 03:51 CEST | Update | https://www.mdpi.com/2227-9032/6/2/44 |
| article html file updated | 16 July 2022 20:16 CEST | Update | N/A |
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| article html file updated | 8 May 2018 15:51 CEST | Original file | N/A |
| article pdf uploaded. | 8 May 2018 15:50 CEST | Version of Record | https://www.mdpi.com/2227-9032/6/2/44/pdf |
| article xml uploaded. | 8 May 2018 15:50 CEST | Update | https://www.mdpi.com/2227-9032/6/2/44/xml |
| article xml file uploaded | 8 May 2018 15:50 CEST | Original file | N/A |
