| article html file updated | 30 August 2025 02:40 CEST | Update | https://www.mdpi.com/1422-0067/19/2/611 |
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| article xml uploaded. | 23 February 2018 18:00 CET | Original file | https://www.mdpi.com/1422-0067/19/2/611/xml |
| article pdf uploaded. | 23 February 2018 18:00 CET | Updated version of record | https://www.mdpi.com/1422-0067/19/2/611/pdf |
| article pdf uploaded. | 19 February 2018 04:01 CET | Version of Record | - |
