| article html file updated | 29 August 2025 22:39 CEST | Update | https://www.mdpi.com/2076-3263/6/1/8 |
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| article pdf uploaded. | 4 February 2016 14:04 CET | Updated version of record | https://www.mdpi.com/2076-3263/6/1/8/pdf |
| article pdf uploaded. | 1 February 2016 09:04 CET | Version of Record | https://www.mdpi.com/2076-3263/6/1/8/pdf-vor |
| article xml uploaded. | 1 February 2016 09:04 CET | Original file | https://www.mdpi.com/2076-3263/6/1/8/xml |
