| article html file updated | 31 August 2025 08:45 CEST | Update | https://www.mdpi.com/2227-9717/8/1/99 |
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| article pdf uploaded. | 15 January 2020 06:40 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/1/99/pdf |
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| article html file updated | 11 January 2020 07:13 CET | Original file | - |
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