| article html file updated | 14 August 2026 21:16 CEST | Update | https://www.mdpi.com/2076-3417/8/1/138 |
| article html file updated | 9 February 2020 03:38 CET | Update | N/A |
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| article xml uploaded. | 19 January 2018 16:29 CET | Update | https://www.mdpi.com/2076-3417/8/1/138/xml |
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| article pdf uploaded. | 19 January 2018 16:29 CET | Version of Record | https://www.mdpi.com/2076-3417/8/1/138/pdf |
