| article html file updated | 14 August 2026 13:52 CEST | Update | https://www.mdpi.com/2073-4441/9/4/275 |
| article html file updated | 8 February 2020 03:39 CET | Update | N/A |
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| article xml uploaded. | 17 April 2017 13:51 CEST | Original file | https://www.mdpi.com/2073-4441/9/4/275/xml |
| article pdf uploaded. | 17 April 2017 13:42 CEST | Updated version of record | https://www.mdpi.com/2073-4441/9/4/275/pdf |
| article pdf uploaded. | 15 April 2017 05:42 CEST | Version of Record | https://www.mdpi.com/2073-4441/9/4/275/pdf-vor |
