| article html file updated | 5 February 2020 09:43 CET | Update | https://www.mdpi.com/1420-3049/13/2/331 |
| article html file updated | 18 September 2019 14:11 CEST | Update | N/A |
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| article html file updated | 20 July 2017 10:06 CEST | Original file | N/A |
| article xml uploaded. | 20 July 2017 10:05 CEST | Original file | https://www.mdpi.com/1420-3049/13/2/331/xml |
