| article html file updated | 31 August 2025 13:44 CEST | Update | https://www.mdpi.com/2304-8158/9/3/301 |
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| article html file updated | 2 April 2020 03:30 CEST | Update | - |
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| article pdf uploaded. | 22 March 2020 15:01 CET | Updated version of record | https://www.mdpi.com/2304-8158/9/3/301/pdf |
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| article pdf uploaded. | 6 March 2020 14:51 CET | Version of Record | https://www.mdpi.com/2304-8158/9/3/301/pdf-vor |
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