| article html file updated | 7 February 2020 20:43 CET | Update | https://www.mdpi.com/1420-3049/22/1/66 |
| article html file updated | 22 September 2019 17:31 CEST | Update | - |
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| article html file updated | 7 February 2017 10:46 CET | Update | - |
| article html file updated | 3 January 2017 11:24 CET | Original file | - |
| article xml uploaded. | 3 January 2017 11:23 CET | Original file | https://www.mdpi.com/1420-3049/22/1/66/xml |
| article pdf uploaded. | 3 January 2017 11:23 CET | Version of Record | https://www.mdpi.com/1420-3049/22/1/66/pdf |
