| article html file updated | 31 August 2025 06:20 CEST | Update | https://www.mdpi.com/2220-9964/8/12/580 |
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| article pdf uploaded. | 19 December 2019 10:27 CET | Updated version of record | https://www.mdpi.com/2220-9964/8/12/580/pdf |
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| article pdf uploaded. | 11 December 2019 16:24 CET | Version of Record | https://www.mdpi.com/2220-9964/8/12/580/pdf-vor |
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