| article html file updated | 9 February 2020 17:31 CET | Update | https://www.mdpi.com/2220-9964/7/5/189 |
| article html file updated | 3 October 2019 13:42 CEST | Update | - |
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| article html file updated | 30 May 2018 15:49 CEST | Update | - |
| article pdf uploaded. | 14 May 2018 12:32 CEST | Updated version of record | https://www.mdpi.com/2220-9964/7/5/189/pdf |
| article html file updated | 14 May 2018 12:31 CEST | Original file | - |
| article xml uploaded. | 14 May 2018 12:30 CEST | Update | https://www.mdpi.com/2220-9964/7/5/189/xml |
