| article html file updated | 17 September 2021 04:19 CEST | Update | https://www.mdpi.com/1996-1073/4/8/1163 |
| article html file updated | 17 September 2021 04:19 CEST | Update | - |
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| article xml uploaded. | 17 September 2021 04:18 CEST | Update | https://www.mdpi.com/1996-1073/4/8/1163/xml |
| article xml uploaded. | 17 September 2021 04:15 CEST | Update | - |
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| article html file updated | 5 February 2020 17:53 CET | Update | - |
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| article html file updated | 28 February 2017 05:46 CET | Original file | - |
