| article html file updated | 29 August 2025 22:34 CEST | Update | https://www.mdpi.com/2076-328X/6/1/2 |
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| article html file updated | 29 March 2016 11:18 CEST | Original file | N/A |
| article pdf uploaded. | 11 January 2016 13:44 CET | Version of Record | https://www.mdpi.com/2076-328X/6/1/2/pdf |
| article xml uploaded. | 11 January 2016 13:44 CET | Original file | https://www.mdpi.com/2076-328X/6/1/2/xml |
