| article html file updated | 25 December 2025 00:26 CET | Update | https://www.mdpi.com/2227-9717/8/12/1639 |
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| article pdf uploaded. | 21 December 2020 03:36 CET | Updated version of record | https://www.mdpi.com/2227-9717/8/12/1639/pdf |
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| article xml uploaded. | 13 December 2020 07:05 CET | Update | N/A |
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