| article html file updated | 29 August 2025 22:30 CEST | Update | https://www.mdpi.com/1660-4601/13/1/19 |
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| article pdf uploaded. | 23 December 2015 09:30 CET | Updated version of record | https://www.mdpi.com/1660-4601/13/1/19/pdf |
| article xml uploaded. | 23 December 2015 09:30 CET | Update | https://www.mdpi.com/1660-4601/13/1/19/xml |
| article pdf uploaded. | 22 December 2015 15:04 CET | Updated version of record | N/A |
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