| article html file updated | 30 August 2025 02:39 CEST | Update | https://www.mdpi.com/2076-3263/8/2/72 |
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| article xml uploaded. | 23 February 2018 12:58 CET | Original file | https://www.mdpi.com/2076-3263/8/2/72/xml |
| article pdf uploaded. | 23 February 2018 12:58 CET | Updated version of record | https://www.mdpi.com/2076-3263/8/2/72/pdf |
| article pdf uploaded. | 18 February 2018 04:35 CET | Version of Record | https://www.mdpi.com/2076-3263/8/2/72/pdf-vor |
