| article html file updated | 23 October 2025 06:25 CEST | Update | https://www.mdpi.com/2076-2615/7/3/18 |
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| article xml uploaded. | 9 March 2017 11:05 CET | Original file | https://www.mdpi.com/2076-2615/7/3/18/xml |
| article pdf uploaded. | 9 March 2017 11:05 CET | Updated version of record | https://www.mdpi.com/2076-2615/7/3/18/pdf |
| article pdf uploaded. | 7 March 2017 09:44 CET | Version of Record | https://www.mdpi.com/2076-2615/7/3/18/pdf-vor |
