| article html file updated | 9 February 2020 02:37 CET | Update | https://www.mdpi.com/2071-1050/10/1/156 |
| article html file updated | 29 September 2019 19:36 CEST | Update | N/A |
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| article html file updated | 10 January 2018 17:09 CET | Original file | N/A |
| article xml uploaded. | 10 January 2018 17:08 CET | Original file | https://www.mdpi.com/2071-1050/10/1/156/xml |
| article pdf uploaded. | 10 January 2018 17:08 CET | Version of Record | https://www.mdpi.com/2071-1050/10/1/156/pdf |