| article html file updated | 13 August 2026 12:48 CEST | Update | https://www.mdpi.com/2075-471X/4/1/91 |
| article html file updated | 6 February 2020 15:41 CET | Update | N/A |
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| article pdf uploaded. | 3 February 2015 14:46 CET | Version of Record | https://www.mdpi.com/2075-471X/4/1/91/pdf |
