| article html file updated | 13 August 2026 10:56 CEST | Update | https://www.mdpi.com/2072-6651/7/1/138 |
| article html file updated | 6 February 2020 15:10 CET | Update | N/A |
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| article xml file uploaded | 23 January 2015 11:54 CET | Original file | https://www.mdpi.com/2072-6651/7/1/138/xml |
| article pdf uploaded. | 14 January 2015 12:56 CET | Version of Record | https://www.mdpi.com/2072-6651/7/1/138/pdf |
