| article html file updated | 30 August 2025 01:51 CEST | Update | https://www.mdpi.com/2079-4991/7/12/420 |
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| article xml uploaded. | 1 December 2017 19:36 CET | Original file | https://www.mdpi.com/2079-4991/7/12/420/xml |
| article pdf uploaded. | 1 December 2017 19:36 CET | Updated version of record | https://www.mdpi.com/2079-4991/7/12/420/pdf |
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