| article html file updated | 9 February 2020 03:54 CET | Update | https://www.mdpi.com/2071-1050/10/1/274 |
| article html file updated | 30 September 2019 02:58 CEST | Update | N/A |
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| article html file updated | 22 January 2018 13:59 CET | Original file | N/A |
| article xml uploaded. | 22 January 2018 13:57 CET | Update | https://www.mdpi.com/2071-1050/10/1/274/xml |
| article xml uploaded. | 22 January 2018 13:57 CET | Original file | N/A |
| article pdf uploaded. | 22 January 2018 13:57 CET | Version of Record | https://www.mdpi.com/2071-1050/10/1/274/pdf |