| article html file updated | 30 August 2025 01:12 CEST | Update | https://www.mdpi.com/2227-7080/5/3/60 |
| article html file updated | 16 July 2022 06:21 CEST | Update | N/A |
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| article xml uploaded. | 18 September 2017 03:20 CEST | Update | https://www.mdpi.com/2227-7080/5/3/60/xml |
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| article pdf uploaded. | 18 September 2017 03:20 CEST | Updated version of record | https://www.mdpi.com/2227-7080/5/3/60/pdf |
| article pdf uploaded. | 15 September 2017 12:29 CEST | Version of Record | https://www.mdpi.com/2227-7080/5/3/60/pdf-vor |
