| article html file updated | 16 September 2021 04:48 CEST | Update | https://www.mdpi.com/2073-4352/8/3/121 |
| article html file updated | 9 February 2020 08:35 CET | Update | - |
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| article xml uploaded. | 6 March 2018 04:53 CET | Update | https://www.mdpi.com/2073-4352/8/3/121/xml |
| article pdf uploaded. | 6 March 2018 02:48 CET | Updated version of record | https://www.mdpi.com/2073-4352/8/3/121/pdf |
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