| article html file updated | 30 August 2025 02:44 CEST | Update | https://www.mdpi.com/1422-0067/19/3/649 |
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| article xml uploaded. | 26 February 2018 10:57 CET | Update | https://www.mdpi.com/1422-0067/19/3/649/xml |
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| article pdf uploaded. | 26 February 2018 10:57 CET | Updated version of record | https://www.mdpi.com/1422-0067/19/3/649/pdf |
| article pdf uploaded. | 25 February 2018 11:10 CET | Version of Record | https://www.mdpi.com/1422-0067/19/3/649/pdf-vor |
