| article html file updated | 9 February 2020 01:26 CET | Update | https://www.mdpi.com/1420-3049/23/1/69 |
| article html file updated | 29 September 2019 13:05 CEST | Update | N/A |
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| article html file updated | 28 December 2017 14:53 CET | Original file | N/A |
| article xml uploaded. | 28 December 2017 14:51 CET | Update | https://www.mdpi.com/1420-3049/23/1/69/xml |
| article xml uploaded. | 28 December 2017 14:51 CET | Original file | N/A |
| article pdf uploaded. | 28 December 2017 14:51 CET | Version of Record | https://www.mdpi.com/1420-3049/23/1/69/pdf |
