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| article html file updated | 21 August 2025 20:46 CEST | Update | - |
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| article pdf uploaded. | 13 May 2019 10:38 CEST | Updated version of record | https://www.mdpi.com/2227-9032/7/2/64/pdf |
| article xml uploaded. | 13 May 2019 10:38 CEST | Update | https://www.mdpi.com/2227-9032/7/2/64/xml |
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| article supplementary file uploaded. | 24 April 2019 10:43 CEST | - | https://www.mdpi.com/2227-9032/7/2/64#supplementary |
| article pdf uploaded. | 24 April 2019 10:43 CEST | Version of Record | https://www.mdpi.com/2227-9032/7/2/64/pdf-vor |
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