| article html file updated | 30 August 2025 11:28 CEST | Update | https://www.mdpi.com/1422-0067/20/3/507 |
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| article pdf uploaded. | 25 January 2019 15:52 CET | Updated version of record | https://www.mdpi.com/1422-0067/20/3/507/pdf |
| article xml uploaded. | 25 January 2019 15:52 CET | Update | https://www.mdpi.com/1422-0067/20/3/507/xml |
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