| article html file updated | 30 August 2025 10:44 CEST | Update | https://www.mdpi.com/1422-0067/20/1/218 |
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| article pdf uploaded. | 8 January 2019 11:22 CET | Version of Record | https://www.mdpi.com/1422-0067/20/1/218/pdf |
| article xml uploaded. | 8 January 2019 11:22 CET | Update | https://www.mdpi.com/1422-0067/20/1/218/xml |
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