| article html file updated | 20 July 2022 20:23 CEST | Update | https://www.mdpi.com/1996-1073/13/4/876 |
| article html file updated | 7 March 2020 11:12 CET | Update | N/A |
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| article xml uploaded. | 17 February 2020 13:16 CET | Update | https://www.mdpi.com/1996-1073/13/4/876/xml |
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