| article html file updated | 30 August 2025 21:23 CEST | Update | https://www.mdpi.com/2304-6732/6/2/70 |
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| article pdf uploaded. | 26 June 2019 07:47 CEST | Updated version of record | https://www.mdpi.com/2304-6732/6/2/70/pdf |
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| article pdf uploaded. | 19 June 2019 16:37 CEST | Version of Record | https://www.mdpi.com/2304-6732/6/2/70/pdf-vor |
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