| article html file updated | 30 August 2025 21:22 CEST | Update | https://www.mdpi.com/2079-9292/8/6/691 |
| article html file updated | 20 July 2022 15:19 CEST | Update | N/A |
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| article html file updated | 22 October 2019 04:13 CEST | Update | N/A |
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| article html file updated | 19 June 2019 14:48 CEST | Original file | N/A |
| article pdf uploaded. | 19 June 2019 14:46 CEST | Version of Record | https://www.mdpi.com/2079-9292/8/6/691/pdf |
| article xml uploaded. | 19 June 2019 14:46 CEST | Update | https://www.mdpi.com/2079-9292/8/6/691/xml |
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